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Patients could see smaller incisions, shorter recoveries thanks to U.Va. Health robotic heart surgery program
U.Va. Health has launched Virginia’s first dedicated robotic heart surgery program as a less invasive alternative to traditional open-heart surgery.
What patients actually think about ‘minimally invasive’ brain implants
A new study polled people with treatment-resistant depression about what matters to them when it comes to brain implants for mental health.
Butte County Public Health urges mosquito precautions after first West Nile death in 2026
The Butte County Department of Public Health (BCPH) has confirmed on Thursday the first West Nile virus (WNV) associated death in Butte County this year.The in
Surgeon hails new CABG technology as a 'technical breakthrough'
The new-look ELANA device from AMT Medical could simplify CABG procedures and help improve patient access to minimally invasive and robotic surgical techniques.
Scientists discovered that some invasive tropical plants evolved to reproduce without partners after spreading to new countries, allowing a single plant to start an entire takeover
Just one plant species can be enough to trigger an ecological invasion. Studies have shown that some tropical plants have evolved to reproduce without a mate, allowing a single individual to start a new colony.
Axena Health Named Finalist for the Digital Health Hub Foundation - Digital Health & AI Awards 2026 at HLTH
NEWTON, Mass., October 20, 2026--Axena Health, Inc. (Axena Health), a women’s health company redefining the standard of care for pelvic health conditions through clinically proven, non-invasive treatments, today announced it has been named a finalist for the Digital Health Hub Foundation – Digital Health & AI Awards 2026 at HLTH. Selected from a pool of more than 1,300 participating companies across all tracks and categories, Axena Health is recognized in the Best in Class Track for Women’s and
Florida Python Challenge winner slayed 96 snakes
Veteran hunter Tom Rahill has battled the invasive species for over 10 years.
NYC Health + Hospitals/Bellevue Marks 200th Transcatheter Aortic Valve Replacement
New York, NY – NYC Health + Hospitals/Bellevue announced a major milestone in its cardiovascular program: the completion of its 200th minimally invasive
Lionel Richie tour interrupted by his third hospitalization
Singer Lionel Richie is hospitalized with heart problems. The 77-year-old “All Night Long” singer is being treated for an irregular heartbeat, according to TMZ. He’s reportedly undergoing a minimally invasive
Teen builds ‘Bionic Underwater Robotic Turtle’ to detect ecological threats
High schooler Evan Budz's award-winning invention can identify coral bleaching, invasive species, and microplastics without disturbing marine ecosystems.
Health Policy Watch: Available cervical cancer vaccines fail to cover the HPV 35 genotype common in Africa
HPV 35, globally associated with only 2% of invasive cervical cancers, has a disproportionately higher prevalence in sub‐Saharan Africa.
UCSF Health Reaches 25,000 Robotic Surgeries
Surgeons at the UC San Francisco have performed over 25,000 robotically assisted minimally invasive surgeries, making it the first University of California health center to reach this milestone. UCSF Health has the busiest robotic surgery program in the UC Health system and is one of the leading academic medical institutions for robotic surgeries in the Western U.S.
Adult female pythons cause the most trouble in Florida
Hunting them first can help curb the invasive species.
I suspected cancer lurked in my body. I hoped this test would ease my fears.
The FDA is expected to approve a new kind of blood test that may allow earlier diagnosis and less invasive, more effective treatment. But doctors warn of drawbacks.
The Trump Administration Halted a Great Lakes Project. Then Whitmer Called Trump
WASHINGTON (AP) — An unexplained Trump administration hold on construction of a state-federal project aimed at preventing invasive carp from reaching the Great Lakes was abruptly lifted this week, hours after a call to President Donald Trump by Michigan Gov. Gretchen Whitmer. The Army Corps had ...
Fart-tracking ‘smart underwear’ provides insights on gut health
Smart underwear tracks how often a person farts, offering a non-invasive way to gain insight into how a person’s gut microbiome is functioning.
ECU Health introduces minimally invasive heart surgery procedure
AltaValve uses a catheter to treat patients with mitral valve disease who may not be able to undergo traditional procedures, according to a news release.
Relmada Therapeutics Reports First Quarter 2026 Financial Results and Provides Business Update
Positive 12-Month Phase 2 data for NDV-01 demonstrated a 95% complete response (CR) rate at any time and a durable 76% CR rate at 12 months in high-risk non-muscle invasive bladder cancer (NMIBC), and a 94% CR rate at any time and a durable 80% CR rate at 12 months in the BCG-unresponsive subpopulation, reinforcing best-in-class potential in NMIBCOn track to initiate Phase 3 RESCUE registrational program in second line (2L) BCG-unresponsive and adjuvant intermediate-risk NMIBC in mid-2026Filed p
Making Our Own Luck
We are cross-posting a piece that former NIH official Kris Willis wrote for Macroscience. Kris is now the President and Founder of the Woodley Park Institute, for which I’m a board member. Picking winners or hedging bets? Federal science agencies have long wrestled with the question of how to ensure their billions of dollars of grants and contracts result in maximum benefits for Americans. On the surface, it might seem that a goal-oriented, interventionist style of management would be the best policy: prioritize our most pressing problems and distribute funding accordingly.This top-down strategy creates a unique hazard, though: bad choices can send resources in the wrong direction, resulting in slow progress that impedes the delivery of tangible benefits to citizens. Moreover, if decision makers pursue an applied advance when the underlying scientific principles remain poorly understood, they risk costly failures and a loss of support for the research enterprise at large. Examples include Nixon’s 1971 War on Cancer, undertaken on the premise that a cure could be achieved in less than a decade, the drive to build an operational commercial fusion plant by the mid-1990s, and the National Plan to Address Alzheimer’s Disease, which failed to produce the effective treatments and prevention strategies promised by 2025. The contrasting laissez-faire approach is to hedge your bets. If the path to an advance is impossible to predict, then the wisest choice might be to distribute funding to as widely as possible. The main risk of this strategy is that spreading funding thinly may limit the resources available to the most promising research, resulting in the same negative outcomes as the interventionist approach: limited support for the most promising topics, slow progress, and delayed returns. In reality, at science agencies like the National Science Foundation and National Institutes of Health, program managers navigate between these two extremes, setting some funds aside to target high-priority areas and using the rest to cover the widest possible range of meritorious proposals. This middle path seems like the most rational way to proceed, but it still requires making choices. How much should be set aside for high priority topics? What should those topics be? How should we define merit? Expert opinion can provide a helpful guide, but leading experts can have remarkably different opinions about what matters and what should be prioritized. Moreover, experts and administrators alike can be risk averse, giving an edge to high-profile, well-established concepts. What’s really needed is a data-driven framework to help guide decision-making, one that doesn’t simply repackage prestige or incumbency. Recognizing breakthroughs years in advance Many breakthroughs fail to attract funding or recognition at the earliest stages of development. Katalin Karikó, for example, spent years struggling to win grants for work on mRNA that would eventually win her and Drew Weissman a Nobel Prize. Similar stories can be told about Jim Allison’s groundbreaking studies leading to the development of cancer immunotherapy, Stan Pruisner’s demonstration that prions can self-replicate without DNA, or Robin Warren and Barry Marshall’s proof that Helicobacter pylori, not stress, causes ulcers. Yet at some point, the scientific community recognizes and responds to transformative breakthroughs like these. How does that change happen? And what if science funders could identify the areas that are on the cusp of a breakthrough? Those questions led my collaborators and me to study how scientists responded to past breakthroughs. Based on patterns in that data, we developed a means of predicting future breakthroughs, using biomedicine as a proof of concept. It’s worth taking a moment to describe how our approach works. Briefly, our prediction process begins by grouping the 18 million or so peer-reviewed papers in PubMed, the authoritative database of biomedical research, into roughly 50,000 unique topics. A small subset of these topics are so widely acclaimed as breakthroughs that they have been recognized with a major prize like a Nobel or a Lasker Award. We theorized that studying the development of these outliers over time, especially before they gained acclaim, was the key to identifying future instances of them. After defining topics, we chose 21 representative breakthroughs and asked what they looked like before they won prestigious prizes. To answer that question, we re-ran our topic-mapping algorithm repeatedly, winding back the clock one year each time, stringing together the years to follow the progress of each field as it grew and advanced. We found that in each case, the years leading up to a discovery followed a pattern: a burst of papers on a new, rapidly evolving topic, many of which quickly became influential. These characteristics—the percent of papers that are new, the percentage of papers that are brought in from other topics, and the influence of each individual paper—can all be measured separately for any given topic. Together, they act as a predictive signal that is detectable an average of five years before a transformative discovery is made, and up to thirty years before the discovery receives a major prize. Scanning the current research landscape for topics that display this signal allows us to predict what work will likely produce a future breakthrough. Each year we analyzed includes four or five signals, a number that appears to have remained constant across a twenty year time frame. In their classic work on the sociology of science, Bruno Latour and Steve Woolgar established that the desire to participate in a major discovery is an important motivator for scientists as they consider whether they should take up (or abandon) a research problem. Although further work is needed, the simplest explanation for our results is that this behavior is widespread enough to detect at scale. A foundational advance, or something like it, draws the attention of scientists and causes them to change the direction of their research. They vote with their feet, staking their own reputation and careers by publishing on and citing the new idea. That upswell of interest is the foundation of our breakthrough signal. What kind of research does our model identify as a breakthrough? After building a model based on the patterns in our 21 preselected breakthroughs, we tested it by identifying all early signals of discovery from 1994 through 1997. Of the 18 signals we found in that time period, 17 can be traced forward in time to a breakthrough. Examples include super-resolution fluorescence microscopy (see the image above), the directed evolution of proteins and enzymes (Chemistry Nobel, 2018), and sequencing the human genome (National Medal of Science, 2008). The discovery of the role of leptin signaling in obesity is a particularly interesting case study. Around 1950, scientists noticed the existence of a type of lab mouse that suffered from a unique inherited form of obesity. When given the freedom to choose their own diet, these mice ate more than normal and preferred food that was high in fat. Researchers had few clues as to why the animals overate; early experiments pointed to the existence of a soluble ob factor found circulating in the bloodstream that regulated appetite, but its identity was unknown. In 1994, Jeffrey Friedman and colleagues identified and sequenced the ob gene, noting that the protein it encoded appeared to fit the profile of a circulating factor. A year later, a trio of high-profile publications demonstrated that ob was a hormone that regulated body weight and fat deposition by regulating appetite. One of these was co-authored by Friedman, who christened it leptin from the ancient Greek word for thin. Using our model, the data from 1996 make it clear this advance would become a breakthrough. Scientists had flocked to study the biology of the new hormone, generating the flurry of new papers and citations required to produce a signal. One of these demonstrated that serum leptin concentrations reflected the amount of adipose tissue in the human body, providing clinical validation of the earlier mouse studies. Before the identification of leptin, scientists were unable to point to a specific molecule that controlled appetite and adiposity, so that it was impossible to rule out non-physiological causes of obesity; its characterization fundamentally changed our concept of weight gain. In 2010, Friedman and fellow pioneer Douglas Coleman were awarded a Lasker for the discovery. Our work also identifies breakthroughs in clinical practice and behavioral and social sciences, even though these areas are less likely to draw the attention of major prize committees. One example that falls into this category is the introduction of endovascular aneurysm repair, a minimally invasive surgical procedure for the treatment of abdominal aortic aneurysm, a leading cause of death among Americans over the age of 65. Relative to the previous standard of care, it reduces in-hospital mortality by almost four-fold. In 2017, Timothy Chuter received the American College of Surgeons’ prestigious Jacobsen Innovation award for his multiple refinements to the technique. Another under-recognized breakthrough identified by our model is the development of standardized survey instruments to assess the quality of life for HIV+ patients. The antiretroviral cocktails introduced in the mid-1990s reduced AIDS mortality, but treatment came with serious side effects. The new evaluations showed that patients whose disease progressed had worse physical functioning than Americans with other chronic diseases, while those who were asymptomatic maintained a health-related quality of life on par with the overall US population. This evidence made it possible for patients and activists to argue that even in the absence of a total cure, and in spite of the side effects, alleviation of symptoms was a worthwhile priority for clinicians. My colleagues and I have failed to identify any significant recognition for the physicians and health policy experts who pioneered this advance, although in 2016, researchers called for the World Health Organization to set targets for good health-related quality of life as part of its framework to end the AIDS pandemic. From forecasting to funding How should science funders use our predictions? Any serious discussion of what we should do with this new capability needs to begin with an understanding of its limitations. We can’t (and shouldn’t) invest all of our resources in the small number of topics predicted to produce breakthroughs. Innovative new fields are born from existing ones; they rarely arise de novo. If funders don’t maintain a diverse portfolio, the breakthroughs of tomorrow will have no antecedents. Think of this as eating the seed corn, or killing the goose that lays the golden egg. There are also multiple goals of funding beyond basic scientific discovery, including translating discoveries into clinical practice, developing new technologies, supporting economic development, and training new scientists. The investments needed to accomplish these goals are likely different from those required to support emerging breakthroughs. Finally, we must be aware that we may not capture every instance of a breakthrough. The concept is fuzzy, and not every significant discovery is recognized with a major award. Further, breakthroughs are rare, meaning that our dataset is, by necessity, small. This makes formal estimates of accuracy challenging. Although our overall success rate appears to be high, any one signal may turn out to be a false positive. We found one apparent example: the development of the third generation COX-2 inhibitors, Vioxx and Celebrex, which were much celebrated in the early 2000s as effective but non-addictive pain relievers, meets all the algorithmic criteria of a breakthrough. Five years after it received FDA approval, researchers demonstrated that Vioxx was associated with serious cardiovascular complications, and the manufacturer voluntarily pulled the drug from the market. Celebrex remains available, although like other NSAIDs, it carries an FDA warning for increased cardiovascular risk. Decision makers who were overly focused on the breakthrough potential of this research might have wasted substantial resources nurturing an area that ultimately proved to be a failure—but so would those who relied on expert opinion at the time. That said, the potential benefits of funding the next mRNA vaccine or cancer immunotherapy years earlier than we might have are large. When we can’t assume the outcome of an action, it’s worth conducting an experiment. Can targeted support for areas that are poised to produce a breakthrough increase the return on scientific investment without cannibalizing future advances? With the necessary administrative infrastructure in place, conducting this experiment would be straightforward. First, identify all the breakthrough signals between 2018 and 2023, select half at random, and commit to a decade of investment. For biomedicine, a six year window should yield about 30 topics with the potential to produce a breakthrough. Providing strong support to half of these might be accomplished for $300 million a year. That’s roughly half of the recent annual budget of the NIH Common Fund or around 20% of the fiscal year 2025 budget for ARPA-H. After five years, then again at ten, compare to see which group — the one that was actively managed, or the control — produced more breakthroughs, and on what timescale. Although we used biomedicine as an example, the same experiment could just as well be run for physics, materials science, or any other discipline. Any attempt to undertake such an experiment should keep three points top of mind. First, we can predict the topic of future breakthroughs, but the people and vision for how to move the work forward are still important. In practice, this means success requires active program managers with the expertise to develop the science and the authority to do so, including by recruiting investigators. Second, we would be wise to learn from the failures of past attempts to fund transformative research. High among these are funding modestly repackaged work, confusing the genuinely novel with the merely unfamiliar, and relying too much on incumbent investigators. All of these risks can be mitigated by thoroughly and intelligently integrating high quality data into portfolio management. Finally, we need to have patience. Even with strong funding support, producing a breakthrough takes time. If supporting breakthroughs is the best way to nurture the birth of new fields, we also need to accurately describe and properly manage the other two stages, so that we invest wisely throughout the productive lifetime of ideas and divest once they reach the point of diminishing returns. We would benefit from more study of all of these phases, especially the transition from one to another. More research could answer questions like: When does a breakthrough become an established field? How do the availability of funding, the size and characteristics of the available workforce, and the accumulation of evidence that disagrees with prevailing models affect a field’s decline? Exactly how do old ideas give birth to new ones, and can we speed up the process? The more we understand about the dynamics of scientific progress, the better we can maximize the odds that our curiosity leads to results. I’d call that finding a way to make our own luck.
Invasive ticks confirmed in Connecticut, pose health risks
Two invasive tick species, the Lone Star tick and the Asian longhorned tick, have been confirmed in Connecticut.
Karma TMS Marks 20,000 TMS Treatments, Transforming Mental Health Care Across the Coachella Valley and Riverside County
Palm Springs, California--(Newsfile Corp. - September 15, 2026) - Karma TMS PC, a leading provider of Transcranial Magnetic Stimulation (TMS) therapy in Southern California, today announced it has delivered more than 20,000 TMS treatments to patients across the Coachella Valley and Riverside County. The milestone reflects nearly a decade of growth for the practice. It underscores the rising demand for effective, non-invasive, medication-free options for treatment-resistant depression, anxiety,..
NYC Health + Hospitals/Jacobi | North Central Bronx Brings Novel Minimally Invasive Vascular Surgery Procedures to the Bronx - NYC Health + Hospitals
NYC Health + Hospitals/Jacobi | North Central Bronx today announced it has begun offering two types of minimally invasive surgical procedures that were
Pascack Valley Medical Center Expands Advanced Women’s Health Services with Addition of Urogynecologist and Minimally Invasive Gynecologic Surgeon Mamta M. Mamik, M.D., M.Sc., FACOG, FACS
Pascack Valley Medical Center is pleased to welcome Mamta M. Mamik, M.D., M.Sc., FACOG, FACS, a board-certified and highly trained gynecologic surgeon whose expertise spans female pelvic medicine and reconstructive surgery, neuropelveology, endometriosis, fibroids, chronic pelvic pain, and minimally invasive gynecologic surgery.
Texas health officials report first human West Nile case of the year
A Texas resident has been diagnosed with West Nile neuroinvasive disease, a severe and relatively rare complication of the illness. It’s the first reported human case of West Nile in Texas this...
Vanderbilt Health implants novel device to treat aortic regurgitation in high-risk patients
With the addition of the J-Valve device, Vanderbilt Health now offers minimally invasive procedures to implant devices treating every valve disease. The trial is still enrolling new patients, so other high-risk patients with aortic regurgitation could qualify.
ENvue Medical Expands Presence within a Major Michigan Health System and Grows U.S. Hospital Footprint to 39
Premier 714-bed teaching hospital and Level I Trauma Center purchases ENvue™ Navigation Platform system and feeding tubesTYLER, Texas, March 24, 2026 (GLOBE NEWSWIRE) -- ENvue Medical, Inc. (NASDAQ: FEED) (“ENvue,” “ENvue Medical” or the “Company”), a medical technology company specializing in the advancement of intelligent, non-invasive solutions for enteral care across clinical and home care settings, today announced a purchase of the ENvue™ Navigation Platform and feeding tubes by a premier t
Invasive jellyfish with a painful sting returns to New Jersey waters, raising public health concerns
The Clinging jellyfish, which carries potent venom capable of causing severe pain and other localized symptoms, has been spotted along the Jersey Shore.
Non-Invasive Brain Stimulation 'Significantly' Improves Depression in Just 10 Days, Trial Finds
Short-term relief.
Plant lovers wanted: Study highlights demand for citizen science
Over the last several years, invasive plant and insect species have found their way into more and more social media feeds. From the tree of heaven to Bradford pear trees and the ubiquitous spotted lanternfly, ...
Essentia Health-Fargo offers new minimally invasive procedure for uterine fibroids
Essentia Health-Fargo is now offering a minimally invasive, non-hormonal procedure to treat symptomatic uterine fibroids, which are non-cancerous growths in the uterus, offering women a uterine-sparing alternative to hysterectomy.
Young parrot rescued from grips of invasive boa snake
A biologist came upon the scene in Puerto Rico.
IceCure Expands ProSense® ChoICE Study for Low-Risk Breast Cancer adding Legacy Health in Portland, OR as U.S. Clinical Site
/PRNewswire/ -- IceCure Medical Ltd. (NASDAQ: ICCM) ("IceCure," "IceCure Medical" or the "Company"), developer of minimally-invasive cryoablation technology...
Meet a scientist tracking invasive reptiles, and even their parasites
An insider's look at Florida’s war on invaders: the giant snakes, egg-eating predators and parasites spreading through the Everglades.
MedX Health Appoints Monaderm as a Representative for SkinSecure™ Across Europe for Beauty and Aesthetics Research
MISSISSAUGA, Ontario, October 05, 2026--MedX Health Corp. (TSXV: MDX), a data-driven skin health analytics company, today announced the appointment of Monaderm, the Monaco-based skin measurement specialist, as a key European sales agent for SkinSecure™, expanding the commercial reach of its non-invasive, objective biological skin measurement technology, which maps collagen, melanin and hemoglobin non-invasively in living skin in a single 30-second capture, across the European cosmetics and skin
Newsom talks climate with world leaders in New York
He called Trump the most destructive environmental president in American history and “an invasive species”
Echosens and Gastro Health Partner to Advance Non-Invasive Liver Health Assessment and Metabolic Disease Management
/PRNewswire/ -- Echosens, the global leader in non-invasive liver assessment, today with Gastro Health, one of the nation's largest gastroenterology medical...
Advances in Oncology Treatment Are Changing the Way Cancer Is Detected and Treated at Broward Health
Dr. Sajive Aleyas performing the first case with the Ion Endoluminal System. Cancer care is evolving as researchers and physicians gain a deeper understanding of how cancer develops, progresses and responds to treatment. Advances in molecular testing, imaging, minimally invasive procedures and targeted therapies are giving physicians more information to guide decisions and patients access […]
Dolly’s generosity to Vanderbilt Health highlighted; reading test results before your doctor has a chance; staying healthy this fall; plus other stories with Vanderbilt Health sources
Dolly Parton’s generosity to Vanderbilt Health was mentioned in many of her obituaries. A sampling: The New York Times, the BBC, NPR, NBC News, The Guardian, and Scripps News. Vanderbilt Health News posted a tribute to her, as well, and Mark Denison, MD, Professor Emeritus of Pediatrics and former director of the Division of Pediatric Infectious Diseases, spoke to NewsNation for a story about her impact on his research. Everyday Health interviewed Trent Rosenbloom, MD, MPH, Professor of Biomedical Informatics, for a story about a new JAMA study that found two-thirds of patients read test results before connecting with a doctor. Comprehension of test results varied: 6.6 percent said they had a poor understanding, 26.8 percent understood the results fairly well, 31.7 percent understood them well, and 34.9 percent understood the results very well. William Schaffner, MD, Professor of Preventive Medicine, was quoted by several news outlets about public health issues, including: Healthline (cyclosporiasis cases now in 47 states); “The Naked Scientists” podcast (salmonella outbreak sickens hundreds); Medscape (the lighter-than-usual just-completed Australian flu season); and People (how to stay healthy this fall). Scripps News interviewed Jessica Young, MD, Associate Professor of Clinical Obstetrics and Gynecology, about Vanderbilt researchers launching a study to determine if GLP-1 drugs can help people with opioid use disorder. WSMV Channel 4 News reporter Diana Rocco interviewed Kashish Goel, MBBS, Associate Professor of Medicine and Director of Transcatheter Heart Valve Interventions, for a story about patient Dixie Watt and her minimally invasive valve replacement with the M3 device, the first Food and Drug Administration-approved transseptal transcatheter mitral valve replacement. Fogarty International Center writer/editor Susan Scutti interviewed John Koethe, MD, Associate Professor of Medicine, Division of Infectious Disease, for a profile article for their newsletter, Global Health Matters. The article presents him as an example of a Fogarty Fellow success story and focus on his past and present research, including the HIV/AIDS research he conducted for his Fogarty project at the Centre for Infectious Diseases Research in Zambia in 2008 and 2009.
What caffeine does to ants could change pest control
Caffeine doesn’t just perk up humans—it can sharpen ants’ minds too. Invasive Argentine ants given caffeinated sugar learned to find food much more efficiently, taking straighter paths and reducing travel time by up to 38%. They weren’t faster, just more focused, indicating improved learning. This unexpected effect could make pest control baits far more effective.
UConn Health Earns Accreditation for Noninvasive Vascular Testing
Enables early detection of life-threatening heart disorders, stroke, other cardiovascular disease
Doctors in Royal Oak perform world’s first single-port robotic heart surgery
Surgeons at Corewell Health in Metro Detroit have performed what the health system says is the world’s first documented single-port robotic mitral valve repair, a breakthrough they believe could help make heart surgery less invasive for some patients.
Ozempic changed obesity treatment, but experts say the real revolution is next
The obesity treatment landscape is changing fast, with GLP-1 drugs opening the door to more effective care than ever before. Experts now envision a future where medications, minimally invasive procedures, surgery, and precision medicine work together to deliver better long-term results.
Plant Lovers Wanted: Study Highlights Demand for Citizen Science
Developing a more coordinated approach to training citizen scientists could help protect ecosystems from invasive species that don't stop at state borders
UToledo Health Offers Free Screenings to Detect Vascular Disease
The Great Lakes Vascular Institute in Sylvania Township offers free, noninvasive screenings for three common vascular conditions that often have no symptoms.
The invasive fern that science misidentified for decades
Salvinia molesta can double its biomass in 36 hours. It spreads across ponds, lakes and slow-moving waterways in a smothering green mat, blocking sunlight, consuming oxygen and collapsing the ecosystems ...
This emerging treatment is helping people avoid knee replacement surgery
A minimally invasive treatment called GAE is helping people with chronic knee pain get back to gardening, cycling, and other activities without undergoing knee replacement surgery. Early studies suggest the procedure can provide years of relief by reducing inflammation inside the joint.
Less invasive anesthesia strategies during TAVR linked to a key benefit
Long-term TAVR outcomes were comparable. When tracking 30-day data, however, researchers found that hospital readmission was much less common for patients treated with regional anesthesia or moderate sedation.
Re:Cognition Health Delivers Landmark International Clinical Trial to Explore Whether a Simple Finger-prick Blood-based Biomarker Test Can Provide Earlier Alzheimer's Diagnosis
Re:Cognition Health, a global leader in new treatments for Alzheimer's Disease, is delivering an international clinical trial to evaluate whether a simple finger-prick blood test can revolutionize how Alzheimer's disease is diagnosed. Compared with the current invasive and expensive diagnostic methods, this approach could provide a scalable solution for an earlier, easier, more accurate, affordable, and accessible diagnostic method. Re:Cognition Health will help enroll approximately 1,000 partic
First West Nile virus case in Utah County confirmed as neuroinvasive
The Utah County Health Department confirmed the county’s first human case of West Nile virus this season.Health officials said the case is neuroinvasive, the mo
‘My invasive thoughts were harrowing’: Alanis Morissette shares candid insight into ‘out of control’ postpartum depression
The singer is very honest about the incredibly challenging experience she had with depression and 'activity' after each of her three children
Citizen sleuths use DNA traces to hunt for zebra mussels in Minnesota lakes
A new tool built at the University of Minnesota can help detect the DNA of invasive species in lakes, giving officials more time to respond. Across Minnesota, volunteers are putting that science into action.
HCM drug advances have been a breakthrough—but more invasive treatments are still vital
Some HCM experts are concerned about the potential loss of surgical and interventional expertise as procedural volumes decline.
Sunken WWII hospital ship colonized by devil firefish and rare monk seals
A shipwreck off the coast of Albania has attracted both invasive species and provided a home for endangered ones, leading researchers to weigh the risks and benefits of these wrecks for local ecosystems.
Small business owner turns invasive Everglades pythons into luxury handbags
"It's not their fault that they are here, but they are, and they have to go."
Prototype smart ring cracks the holy grail of non-invasive blood sugar measurement
A prototype smart ring developed by engineers at the University of California appears to have cracked one of the holy...
New York Boat Stewards Return to 220+ Launches Statewide
Boaters and anglers are being urged to take extra steps to stop the spread of invasive species in New York’s waters.
The Sometimes-Awkward Art of Asking for a Second Opinion
A doctor has recommended a course of action that is invasive, expensive, or somehow different from what you'd prefer. Is it OK to get a second opinion? The answer is yes. Here’s how to make the ask a little less awkward.
FMOL Health, LSU partner to develop saliva-based concussion test
Researchers are working with up to 60 LSU football players this season to develop a non-invasive sideline test...
Sorcerers of the Imperium coming to Invasive Weed Gallery
BELLOWS FALLS — Invasive Weed Gallery will present a special exhibition of Tom Swetland's Sorcerers of the Imperium – from Himmler to Hegseth, from Oct. 3 to Nov. 7. There
New AI tool predicts cancer spread with surprising accuracy
Researchers have discovered that cancer spread isn’t random—it follows a kind of biological “program.” By studying colon tumor cells, they identified gene patterns that signal whether a cancer is likely to metastasize. Their AI model, MangroveGS, can predict this risk with about 80% accuracy and even works across multiple cancer types. This could transform how doctors decide who needs aggressive treatment and who doesn’t.
Vanderbilt Lung Transplant Program sets new record
The Vanderbilt Transplant Center is now the second largest lung transplant center in the United States by volume, with 149 lung transplants in 2025, the most ever in one year at Vanderbilt Health. The Vanderbilt Lung Transplant Program leads the nation in organ preservation and regeneration and is among the best in long-term outcomes, demonstrating the success of the interdisciplinary team in caring for these complex patients. Several features make the program unique in the United States, said Konrad Hoetzenecker, MD, PhD, professor of Thoracic Surgery and surgical director of the Vanderbilt Lung Transplant Program. Vanderbilt serves as a “second opinion center” and accepts most complex candidates that are turned down by other centers due to increased perioperative risk. This includes patients over 70 years old, patients requiring combined procedures with their transplant, multiorgan transplantations and sensitized patients (individuals who have pre-formed anti-HLA antibodies who are at higher risk for complications). The expertise and excellent outcomes have attracted patients far beyond the borders of Tennessee; almost half of Vanderbilt Health’s lung transplant recipients come from out of state. “Another unique feature is our minimally invasive transplant program,” Hoetzenecker said. “By using distinct surgical instruments and techniques, the incisions can be kept as small as 7 to 8 centimeters, which results in better healing, less pain and faster recovery. “This minimally invasive approach is embedded in an Enhanced Recovery After Surgery (ERAS) protocol, a multimodal, evidence-based perioperative care pathway designed to reduce surgical stress, minimize complications and speed up recovery. Our unique ERAS protocol, by a dedicated interdisciplinary approach, aims to improve recovery after lung transplant and reduce ICU and hospital stay.” The lung transplant program recently celebrated a milestone — 1,000 lung transplants since the program began in 1990. “This significant achievement reflects the concerted effort of a multidisciplinary collaboration by the Departments of Thoracic Surgery, Medicine, Anesthesiology and Critical Care,” said David Erasmus, MD, associate professor of Medicine and medical director of Vanderbilt Lung Transplant. Lung transplants have been attempted since the 1960s, but they were largely unsuccessful until the 1980s, when surgical techniques were refined and new antirejection drugs proved effective. Patient outcomes steadily improved from the 1990s to the present. Vanderbilt’s fourth lung transplant recipient in 1990, Pam Everett, is the longest-living, single-lung transplant known in the world, recently celebrating 35 years since her transplant. The Vanderbilt Lung Transplant surgical team is led by Hoetzenecker and Caitlin Demarest, MD, PhD, the surgical director and associate surgical director of the Vanderbilt Lung Transplant program. Erasmus is the medical director of Vanderbilt Lung Transplant along with Anil Trindade, MD, associate medical director and associate professor of Medicine.
The ‘Off Campus’ fandom is under fire for invasive shipping. This behavior isn’t new.
Some viewers are treating the show’s fictional romance like reality — fueling feud rumors and dragging the cast’s real-life partners into the drama.
“Broken heart syndrome” can look just like a heart attack. This test can tell them apart
“Broken heart syndrome” can mimic a heart attack so closely that patients often need invasive testing to tell the difference. Researchers have now developed the BioTAK score, which combines biological sex with blood biomarkers to identify the condition before cardiac catheterization. In a validation study of nearly 1,800 patients, it correctly classified almost 90% of participants.
Nathan J. Nordmann, M.D., Joins Baptist Health Miami Neuroscience Institute as Director of Spinal Oncology and Co-Director of Spinal Radiosurgery
August 27, 2026 – Fellowship-trained neurosurgeon Nathan J. Nordmann, M.D., has joined Baptist Health Miami Neuroscience as director of spinal oncology and co-director of spinal radiosurgery. He specializes in the surgical treatment of conditions affecting the brain and spine, with advanced expertise in primary and metastatic spinal tumors, complex spinal pathology and minimally invasive surgical techniques. […]
iPhone spyware is everyone's problem now
Anyone with an iPhone can now be the target of invasive malware that siphons off personal texts, call histories and calendar data.
‘If you can’t beat ’em, eat ’em’: Italy is turning its hated invasive crab into a multimillion-dollar business
After the crabs devastated Italy’s prized clam industry, fishermen found a new strategy: exporting every crab they catch.
This emerging treatment could help people avoid knee replacement surgery
A minimally invasive procedure called genicular artery embolization could offer a new middle ground between conservative treatments and knee replacement for osteoarthritis. By blocking tiny blood vessels associated with inflammation, GAE can significantly reduce pain, with some patients reporting little or no pain afterward. Studies suggest the benefits may last two to four years in people who respond well.
FORT Updates: From Plains to Peaks
This issue highlights recent FORT efforts to provide streamlined, robust science for natural resource management, including science in support of invasive species management, wildfire risk mitigation, and wildlife health. It also features ongoing research on state-of-the-art technology for wildlife monitoring, traffic estimation, and more.
FDA approves next-gen mitral valve from Medtronic
The Mosaic Neo mitral bioprosthesis can be implanted through sternotomy, minimally invasive cardiac surgery or robotic access.
She Was in the Best Health of Her Life. Then Came Breast Cancer
At 40, Miami Pilates instructor Monica Larcada was active, health-conscious and feeling better than ever. When she discovered a breast lump, however, she acted immediately. Her diagnosis of invasive ductal carcinoma launched an intensive treatment journey — and changed the way she thinks about health, strength and gratitude.
The Trump administration halted a Great Lakes project. Then Whitmer called Trump
WASHINGTON (AP) — An unexplained Trump administration hold on construction of a state-federal project aimed at preventing invasive carp from reaching the Great
Child dies from bacterial infection, state health department reports
A child died last month from complications of the invasive Haemophilus influenzae type b (Hib) infection, DPHHS said.
Scientists warn invasive Asian mantises are threatening Europe's wildlife
Two striking Asian praying mantis species that have rapidly spread across Europe have now been officially classified as invasive, raising new concerns about their impact on native wildlife. Boosted by climate change and urban environments, these fast-breeding predators are expanding northward, where they prey on native insects, pollinators, and even small vertebrates while also reducing native mantis populations through deadly mating interactions.
Canine cancer patients contribute to next-generation minimally invasive cancer therapies for dogs and humans
Oncologists at Purdue University pioneer protocols for tumor ablation, a less invasive cancer treatment more effective than surgery, radiation or chemotherapy, benefiting dogs and humans alike.
Marshall Health Network, Intermed Labs advance next-generation surgical visualization through spatial arthroscopy
HUNTINGTON, W.Va. – Marshall Health Network, in collaboration with Intermed Labs (IL), has announced the development of spatial arthroscopy, an innovative technology designed to transform how surgeons visualize and interact with minimally invasive procedures. The project, currently in development, was conceptualized by Chad D. Lavender, M.D., and represents a new frontier in surgical ergonomics and digital […]
Puzzles, Treats, and Consent? The New Frontier in Wildlife Studies
From raccoons solving puzzle boxes to dogs leaving saliva samples, scientists are experimenting with less invasive ways to study wildlife.
ECU Health Medical Center performs its first procedure with Edison® Histotripsy System
New non invasive therapy brings advanced liver tumor treatment closer to home in eastern North Carolina
The Big Holes in Wearable Heart Rate Variability And Readiness Scores
On September 9th, Apple announced it was revamping its Apple Watch Health Sensing System, rolling out a Readiness score (0 to 10), and increasing the frequency of heart rate variability (HRV) outputs 24-fold. This can be viewed as upping its competition with various other consumer wearable sensors. These “readiness scores” as a composite of multiple metrics, with heart rate variability (HRV) being front and center for most. The majority of Americans are now using wearable sensors, which equates to well over 100 million adults. HRV and Readiness scores are increasingly being marketed as a measurement of autonomic nervous system health, a digital marker for future disease, a clock for biological age, and a holistic metric to promote healthspan and even longevity. (Apple also introduced a new longevity tab and “Health Age”.) None of this has been proven. In this edition of Ground Truths I am going to review what we know about heart rate variability and readiness scores. Heart Rate Variability HRV is the variation in normal heart cycle timing. The variability of the heart rate, the barely perceptible millisecond changes in time between consecutive heart beats (see R-R intervals in the Figure below, left panel), is due to interplay between the sympathetic and parasympathetic (vagal nerve) inputs. Distinct from heart rate, individuals with the same heart rate can have very different HRVs. It is a rough reflection of the autonomic nervous system (ANS) activity, inadequate to say whether a person’s ANS function is abnormal. For more than three decades, heart rate variability (HRV) has been measured and several studies have found an association of low HRV and clinical outcomes, particularly a link with higher all-cause and cardiovascular mortality. There have also been less well established links of low HRV to risk of early cognitive impairment, dementia, mental illness, Type 2 diabetes and substance abuse. An important reminder is that HRV is a surrogate marker without any established cause-and-effect relationship. If you increase your HRV, that doesn’t mean it will improve health outcomes. In fact, there is no hard evidence for that. All that work linking to health outcomes was done with electrocardiogram (ECG) derived HRV. Now, in the era of consumer wearables, this is getting assessed differently, by optical pulse (yes, the lights you see) plethysmography (PPG) or what is called pulse rate variability (PRV). They are not the same, as shown below (right panel) and only concordant when the delay between the ECG and pulse is kept constant, which basically means at rest. I should mention there’s also what I will call MPV, a mattress mechanical movement sensor, a derived heart rate variability, that companies like Eight Sleep use, even further away from directly measuring HRV. HRV has not one uniform measurement but many different types of quantification, such as RMSSD, the magnitude of difference between successive R-R intervals of normal sinus beats (N-N) or SDNN, the standard deviation of NN intervals, both in milliseconds. SDNN is one of the so-called frequency domain HRVs (others are LF, HF, LF/HF). Different wearable sensors use different metics; Apple has relied on SDNN and nearly all of the others use RMSSD, which is generally considered the more accurate metric. There’s also the different length of time measured, such as for a matter of minutes, all day, or an overnight’s sleep. Short measurements are especially problematic since they don’t capture enough of respiratory modulation and other factors that influence HRV. Share Ground Truths How well does HRV correlate with PRV? There are very limited studies, especially independently done. One that is commonly cited was conducted by Air Force researchers in only 13 healthy adults assessing Oura ring 3 and 4, Whoop 4.0, and Garmin Fenix 6 and showed a correlation coefficient of 0.88 to 0.97 and a mean absolute percentage error from 6 to 10%. The correlation is not a perfect 1.0, but there’s at least a fairly high level of correlation. HRV is supposed to increase during the night due to takeover of the parasympathetic nervous system, and higher during deep sleep. A recent example of my 1 week, all day “HRV,” and one during sleep is shown below. As you can see, the N of 1 data are inconsistent for the same days from different sensors (Oura, AppleWatch, Fitbit Air, and Eight Sleep) by patterns, absolute numbers, and comparison with prior days and weeks. The largest study in over 8 million Fitbit users (the old version, not Google Fitbit Air, introduced in May 2026) gives you a sense of the effect of age, sex, and the 2 different main HRV (here PRV) metrics, with RMSSD on the left and SDRR (=SDNN) on the right below. That study, from data collected in 2018, is a major outlier, since all the more recent ones are tiny with respect to sample size. Many of the companies have not had independent evaluation of their HRV, such as Eight Sleep, but have published a low standard error on their website. There are some other published studies on the correlation between HRV and PRV, but they are all small and only in healthy adults. A scoping review emphasized the lack of study in underrepresented individuals, including the aged, people of color (which affects the PPG signal), and individuals who are underweight or obese. Add the typical adult age 60 plus with one or more chronic diseases. For example, one study in over 900 adults found poor correlation of HRV and PRV, non-uniformly underestimated across many chronic diseases (cardiovascular, endocrine, neurological, respiratory, and others), concluding PRV is “an invalid surrogate for HRV.” A recent systematic review of 43 studies comparing HRV and PRV found reasonable pooled absolute standardized error (HRV as gold standard) but only 10 of the studies provided quantitative synthesis in ideal conditions. Their main conclusion was similarly cautious: “PPG-derived HRV [PRV] should not be regarded as universally interchangeable with ECG-derived HRV across all devices, populations, and recording contexts.” Factors Affecting HRV and PRV That gets me to the long list of factors that affect HRV (and PRV) besides the device, the type of measurement (RMSSD, SDNN or others), the person’s signal, the sensor site, the duration of data capture, if weighting by sleep stage is used, how artifact is processed and corrected. And this list is not complete!: Oura puts out data from their community of users (who input data) on what affects their overnight HRV. The factors currently provided are: no alcohol (increase 8%), melatonin (increase 2%, float tank (increase 2%), wine (decrease 4%), and party (decrease 14%) in overnight HRV. Must be some big parties! Subscribe What is a PRV measurement good for? It has been falsely characterized as an index of “autonomic balance” and a specific indicator of stress. A 2018 review of the studies available for HRV and its relationship to stress, not using any of the current wearables, found that stress can lower HRV. But so can many other factors. The non-specificity of the signal, indexed to the table above, is striking. Evidence from a UK Biobank study of over 46,000 participants with actual HRV looked at genetically predicted HRV, a genetic risk score, that failed to show the expected HRV-mortality link, indicating that _HRV is likely not causa_l, but rather a reflection of person’s physiologic state. A review of consumer wearable HRV data from 5 longitudinal studies showed that nighttime PRV was not associated with perceived stress, and surprisingly higher HRV, in the largest cohort (N=717 participants), was correlated with higher stress. An Oura ring cohort of 525 first-year college students found a link between overnight PRV and perceived stress, but that was also seen with resting heart rate, sleep, and respiratory rate. Several very small studies have examined the relationship of HRV and athletic injuries or guiding training with mixed, and predominantly negative results. HRV biofeedback training with paced breathing had no significant effect on reducing stress or raising HRV, as demonstrated with sham controlled trials. When HRV for multiple days showed a decline in conjunction with body temperature, the Oura ring published data for prediction of Covid. The WHOOP company sponsored an observational study, published in 2026, of 30,000 users for 72 weeks, without a control group, that reported reduced alcohol intake (5.8 % points) by self-report. That doesn’t tell us much, and particularly about the merits of HRV for behavioral change. If you use the same device and conditions as longitudinal trends for multiple (at least 2-3) weeks that may be the one way to get something useful from the measurements. Data for overnight sleep with minimal motion and using RMSSD is the best proxy for real HRV. The reason to look at trends rather than any given night is that it more likely represents something, even though you won’t know with certainty what the “it” is. Keep in mind there are no data, no peer-reviewed evidence, to show that HRV fluctuation in-person has any correlation with health outcomes. Share Readiness Scores These are proprietary scores that integrate different metrics for each of the wearables: no algorithms have been disclosed. They are unvalidated against health outcomes. In a review of 14 composite health scores of readiness and recovery, HRV contributed 86% to the scores, followed by reading heart rate (79%), physical activity and sleep duration (both at 71%). That review noted the substantial variability in measurement protools and lack of standardization. Sleep staging is notoriously inconsistent and inaccurate by these sensors, which adds further to the HRV uncertainties for what the scores, which use sleep stage data, mean. Only resting heart rate has been shown consistently across devices to be extremely accurate. I’ve made a Table to summarize what we know about which metrics are included, the scores, any peer-reviewed studies that compared the readiness score with health outcomes, and the corresponding (if any, NA-not available) citation. You will note that some companies do not use the term “readiness," such as WHOOP for recovery, and Garmin, which has 2 different scores, one of which is Body Battery. Eight Sleep uses the term “Fitness Score.” They all include HRV; Apple includes a new metric they call “Recovery HRV” which among other components uses 7-days of sleep, but it is unclear what this means or how it is differentiated from other scores (there are clearly no data for outcomes). We have no knowledge of how the different components are weighted or whether any of these scores are better than resting heart rate, HRV alone, physical activity, or any other single metric. Since none of these are standardized, they are not interchangeable, so if you get a 90 for Oura that has no relationship to a 90 on a Google Fitbit Air. Notably, the company can update its algorithm for readiness score at any point without notification to device users. Without any useful evidence of actionability for these scores or established relationship with health outcomes, it is hard to make a case for their value. At the Apple recent announcement they showed their Readiness score (0-10) on the watch (Figure below) but there are no published data on this score, not even on their website. It’s available only on their new Watch Series 12 or Ultra 4 [of course, ;-)]. That exemplifies the problems with these scores, lack of data and evidence for being meaningful to promote health. Perhaps the best study (which isn’t saying much) is the WHOOP Recovery for golfer performance, because it did correlate with an objective outcome, even though there was no control group and the authors were all from the company. Among the 389 pro golfers, an absolute 10-per cent point increase in Recovery score was associated with about 0.5 fewer strokes per round. But that’s hardly a health outcome! WHOOP is also conducting a study in over 2,700 runners to see if their recovery score will be linked to less injuries and improved performance, but that is not yet published and has no control group or randomization. Putting This in Context For two decades I’ve been enthusiastic about the potential for digital health and particularly wearable biosensors. Over the years, we’ve seen some great progress for their ability to promote physical activity and accurately detect atrial fibrillation (the first FDA cleared deep learning AI for consumers). That work was the subject of rigorous research. But there are holes in the data and evidence for other metrics. One notable one is the “VO2 max” story that I wrote about earlier this year. At that time many subscribers asked me to cover heart rate variability, which I finally got to here. When I dived into the research and publication for HRV and readiness scores, I expected to find at least some that were of high quality and demonstrated their utility by linkage to health outcomes. To my surprise, I found none. The wearable sensor measurements for HRV (PRV) are, for the most part, accurate, but that validation work has only been done in small studies of healthy adults and does not take into account the long list of factors, from the device, software side, and the user side, that affect HRV measurements. Moreover, this metric chiefly relies on optical sensing and, as we have learned for heart rate PPG sensing, may be less accurate in people of color. Keep in mind that all of the health outcome association evidence comes from ECG-derived HRV; none are from wearable sensor data. I will repeat the key point: there's no peer-reviewed evidence to show that in-person HRV fluctuation—or efforts to raise your HRV— has any correlation with health outcomes. For those of you who look at your HRV on awakening, or even 2+ week trends of it being low, I hope this context helps to relieve any anxiety. Yes, low HRV (not PRV) has been shown to increase risk of some diseases as summarized above. But efforts to raise your HRV—a surrogate metric— has not been established for improving any health outcomes. HRV does not have any evidence of causality (the genetic evidence actually goes against this possibility). In this summary, I have not included data for other wearable sensors such as Polar, Samsung, Withings, Suunto, Amazfit, Coros, Ultrahuman, or additional mattress sensors. These are beyond my first-hand experience, and as far as I know from my in-depth review none have any peer-reviewed published data that differ from the 6 sensors I’ve reviewed here. From the points I’ve gone over above, we’re not ready for readiness scores. Besides being proprietary, they are predominantly based on metrics that have their own issues. It’s compounding the problem, like building a house without a solid foundation that has never undergone a rigorous inspection, and then selling it. Like I mentioned for PRV, you can look at trends over weeks rather than any single day, to get a handle, but even that may not be helpful. There’s simply no evidence that these scores meaningfully relate to health outcomes. I’d emphasize they might, but that requires doing prospective or randomized studies to prove it. None exist. There’s great promise for HRV/PRV utility_. For example**,**_ Prof Maiken Nedergaard, who discovered the brain glymphatics that are essential in eliminating metabolic waste products from the brain during sleep, has posited that HRV could be a non-invasive marker for neuromodulator oscillations, brain-body regulatory circuits, and brain clearance. That would be extremely useful, but like everything else on HRV and readiness scores it requires solid research and validation. The lay media isn’t helping much to get the story straight. Earlier this year The Economist published a piece entitled “The most useful indicator of your overall health” which ordained HRV as an “accumulated stress score.” That’s akin to the false assertion about VO2max: “V02 max is the singular most powerful marker for longevity.” As I’ve summarized here, that is not established. The fact is that so many things can lower HRV, including physical exercise (especially an intense workout), reduced sleep quality, stress, the list above, no less the device, signal, and software. Whatever fluctuations observed have not been correlated with any health outcome. Sadly, “datamaxxers” are widely using HRV and readiness scores that have never been validated to mean anything. We already know that for some people using the sensors for sleep metrics, it can induce “orthosomnia,” an obsession to get high sleep quality, with associated high levels of anxiety. In an experiment done by a company to promote sleep quality for its employees, “For those employees who did use the trackers, many reported feeling perfectly rested until their tracker told them they had had a terrible night. Others were told that they had slept like a baby when they had actually been lying awake worrying about the quality of their sleep. “ The same problem can result from preoccupation with HRV or readiness scores, with anxiety that would lead to further reduction in both. It you are using a wearable like >100 million American adults, it’s OK to look at these data, but contextualized with the major caveats reviewed here. If you are one to require evidence that HRV or readiness scores are linked to health outcomes, you may not even want to look. The companies make it hard to turn them off! Let me end with the companies that make and sell wearables. Apple’s doubling down on HRV (24-fold more reporting and heart rate very 5 seconds) and introduction of a Readiness score tells us that consumers have bought into these metrics and they are joining the club. However, all of this is occurring with a backdrop of tens millions of users, claims about the data that are not backed up by adequate evidence, marketing way out in front of whatever limited data exists, and not being transparent about their readiness score algorithms. The companies can well afford to do the research that is needed to connect these metrics with health outcomes show, once and for all, that increasing HRV or using readiness scores promotes our health. If they believed and invested in the products they are selling, we’d not be in this position of not knowing. That’s essentially where we are with HRV and readiness scores. Perhaps someday this will change and we’ll have good reason to embrace them. NB: I wrote this post. No AI. I have no conflicts of interest with any of its content. Loading... Ground Truths has 215,000 subscribers from every US state and 214 countries. There are over 300,000 followers of Ground Truths so more than 90,000 folks who can easily convert to be free subscribers. Your subscription to these free essays and podcasts makes my work in putting them together worthwhile. If you’re not a subscriber, please join! If you found this interesting PLEASE share it! Share Ground Truths The proceeds from all voluntary paid subscriptions go to support our summer internship program. It enabled us to accept and support a record number of 62 summer interns that joined us in 2026! These are high school, college and medical students selected from thousands of applicants. We couldn’t do this expanded program without the funds coming in through Ground Truths. Thank you!
Apple Acquires Startup Working on 'Breakthrough Sensing Technology'
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Emerald Ash Borer Summer Update: Information, Action, and Community Science
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