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Scientists may be overestimating the amount of microplastics in the environment – and the culprit is lab gloves
Tiny particles from certain lab gloves look like microplastics, and they can contaminate samples, new study finds.
Scientists may be overestimating the amount of microplastics in the environment – and the culprit is lab gloves
Tiny particles from certain lab gloves look like microplastics, and they can contaminate samples, new study finds.
Glyphosate: A story of science, risk, and nuance
In the summer of 2014, a California groundskeeper named Dewayne Johnson started noticing patches of raw, weeping skin spreading across his body. He had spent years applying Roundup, Monsanto’s glyphosate-based herbicide, for a school district, sometimes drenched in it when equipment malfunctioned. By 2014, he had a diagnosis: non-Hodgkin’s lymphoma. In 2018, a jury awarded him $289 million in damages, later reduced on appeal. Tens of thousands of lawsuits followed. The story hasn’t quieted down. It’s all over the internet, swinging between “this will kill you, buy organic” and “relax, you’re fear-mongering.” Some of that recent chatter stems from an Executive Order protecting glyphosate and its production, which set off intense infighting within the MAHA movement. Some of it reflects a deeper truth: Americans genuinely care about harmful chemicals in their environment (see poll below). And the conversation isn’t going anywhere, with a Supreme Court case involving Monsanto set for this April. Glyphosate (the active ingredient in Roundup) is one of the most widely used herbicides in the world. But does glyphosate cause cancer? And how much exposure is actually risky? With so much mistrust in institutions and corporations (and some genuine conflicts of interest), making sense of the actual scientific evidence is genuinely hard. Here is a translation of what the scientific evidence actually says. Does glyphosate cause harm? Glyphosate is an herbicide that kills most plants it contacts rather than targeting specific species. It works by blocking an enzyme pathway (EPSPS) that plants and many microorganisms need to produce essential amino acids. Without those amino acids, the plant can’t grow and dies. Glyphosate was first developed by Monsanto in the 1970s and became ubiquitous after the company introduced “Roundup Ready” crops in the 1990s. In 2024, Bayer removed glyphosate from residential Roundup-branded products due to litigation pressure. But today it is still the most widely used herbicide in the world. Farmers also discovered they could spray it directly on crops like oats, lentils, beans, and peas just before harvest to dry them out faster and make harvesting easier. Because of its widespread use, it’s obviously really important to understand if it’s harmful to humans. The key principle: The dose makes the poison The most important concept in toxicology is that “the dose makes the poison.” Sixteenth-century physician Paracelsus articulated what remains the foundational principle of toxicology: sola dosis facit venenum. Water will kill you if you drink enough of it. Aspirin saves lives at 81 milligrams and causes internal bleeding at higher chronic doses. So, at what dose is glyphosate poisonous? The LD50 in rats (the dose that kills half the test animals) is around 5,600 mg/kg body weight. Table salt is roughly 3,000 mg/kg. By that classic measure, glyphosate is less acutely toxic than salt. But some people are exposed to a lot of glyphosate through their work. And among the general public, there are many questions about low-dose, cumulative exposure from multiple sources over long periods. Does glyphosate cause health problems? Cancer Correlation maps are striking, with one analysis finding that 60% of counties that spray the most glyphosate have non-Hodgkin’s lymphoma rates above the national average. But correlation alone doesn’t establish cause, which is why animal and human studies matter. In animals: Rat studies are typically what most fear is rooted in, but most people don’t know the study details on the dosage given to rats. A pooled analysis of the 13 most rigorous rat studies found evidence that very high doses, around 55,000 times greater than typical food residue exposure, can cause certain cancers. In humans: One of the strongest studies followed 55,000 herbicide users over 20 years and found no overall increased cancer risk. There was one signal: among those with the highest use, rates of acute myeloid leukemia (AML) appeared elevated. A broader meta-analysis of 18 human studies also found no overall cancer risk, though a separate meta-analysis focused specifically on non-Hodgkin lymphoma found that people with high cumulative glyphosate exposure faced a 41% higher relative risk compared to those with low or no exposure. These human studies are observational studies (randomized controlled trials would be unethical), and meta-analyses are only as reliable as the studies they pool. But the story seems consistent: at very high exposure levels, there may be some cancer risk. But that’s about as far as the science currently takes us. Emerging research: gut and reproductive health Gut: Because glyphosate targets a pathway that exists in some gut bacteria, scientists have questioned whether it could affect the microbiome. In mice, a 2023 University of Iowa study found that glyphosate altered gut bacterial composition and raised markers of intestinal inflammation. A 2024 systematic review found similar patterns: disrupted gut bacteria and problems with the mucus layer that protects the intestinal wall in mice. Whether this translates to humans is an open question. The human gut is highly variable and resistant, and we don't yet have strong studies confirming the same effects in people. Reproductive health: Animal studies have found that glyphosate-based herbicides can interfere with reproductive hormones, including disrupting egg cell development in mice and reducing the number of eggs available in sheep’s ovaries. However, the doses used in these experiments were high, so it’s not yet clear whether the same effects would occur in humans. On the human side, a 2021 pilot study led by Mount Sinai researchers tested urine samples from pregnant women across the U.S. and found glyphosate in 95% of them. The study also found a possible connection between higher glyphosate exposure during pregnancy and a subtle physical difference measured in female newborns. That said, some connections weren’t statistically reliable and this was a small study. The researchers themselves said more and larger studies are needed before drawing firm conclusions. What do regulators say about glyphosate safety? In 2015, the International Agency for Research on Cancer (IARC), part of the World Health Organization, classified glyphosate as "probably carcinogenic to humans" (Group 2A). The classification is worth taking seriously. But, there’s an important distinction: IARC classifies hazard, meaning the potential to cause harm under some conditions. It does not assess risk, which accounts for actual exposure levels and the real-world probability of harm. The U.S. EPA, the European Food Safety Authority, Health Canada, and regulatory agencies in Australia and Japan have all concluded that glyphosate is “unlikely to be carcinogenic to humans” at realistic exposure levels. They’re asking a different question: given how much of this people actually encounter, what is the probability of harm? Your actual exposure is what determines your actual risk. What does glyphosate mean for your daily life? At the grocery store: Food residues are small. The EPA’s acceptable daily intake is 1.75 mg/kg of body weight per day. To hit that threshold from oatmeal alone, a 150-pound adult would need to eat roughly 50 pounds of oats every day. But this calculation addresses only one pathway (food), and we don’t yet have robust tools to measure people’s actual total exposure. If reducing exposure matters to you, organic certification prohibits synthetic herbicides, and organic oat products generally test at lower or undetectable levels. Either way, a diet rich in whole grains, conventional or organic, is far better for your health than one that omits them out of fear of residues. On the farm: Occupational exposure is orders of magnitude higher than consumer exposure. Farmers and farm workers who mix, load, and apply glyphosate-based herbicides, especially without protective equipment, face meaningfully different risk profiles. Proper PPE isn’t optional. Integrated weed management strategies that rotate chemical modes of action are also worth taking seriously, both for health and for long-term effectiveness. If you live near a farm: Spray drift is real. Concentrations near field edges can spike during and after application, particularly on windy days. This is an area where I think public health could really step up and empower rural communities with buffer zones, rather than placing the onus on individuals. But for now, knowing your local agricultural calendar and keeping windows closed during application are the first steps. Bottom line Dewayne Johnson was exposed to glyphosate at levels most people will never encounter, and a jury decided he deserved compensation. That outcome is not evidence that the oatmeal in your pantry is dangerous. But it is a reminder that the dose, the context, and the person doing the exposing all matter enormously. Glyphosate is a chemical tool with benefits, trade-offs, and genuine open scientific questions. Learning to hold that complexity without collapsing into panic or dismissal is, honestly, one of the most useful and hardest things to do in navigating modern health science. Love, YLE Your Local Epidemiologist (YLE) is founded and operated by Dr. Katelyn Jetelina, MPH PhD—an epidemiologist, wife, and mom of two little girls. Hannah Totte, MPH, is an epidemiologist and YLE Community Manager. YLE reaches more than 425,000 people in over 132 countries with one goal: “Translate” the ever-evolving public health science so that people will be well-equipped to make evidence-based decisions. This newsletter is free to everyone, thanks to the generous support of fellow YLE community members. To support the effort, subscribe or upgrade below: Subscribe
Terawulf CEO on pivoting the business from crypto mining to AI data center supplier
Terawulf co-founder & CEO Paul Prager discusses how the company shifted to becoming a data center supplier, and meeting the tremendous demand for the AI boom.
Jefferson Health hit with $108 million verdict in Einstein birth injury case
The verdict is the biggest medical malpractice verdict in the city since a record-setting $183 million award against Penn Medicine three yeas ago in another birth-injury case.
Something extremely weird is happening to our galactic neighbor. Scientists think they know why
The stars in the Small Magellanic Cloud aren’t behaving the way they should. A cataclysmic collision with another nearby galaxy may be the culprit
National Survey of Youth Sports Families Highlights Impacts of Shifting NCAA Realities, With a Clear Culprit: Too Few Roster Opportunities
BRADENTON, Fla. (March 9, 2026) – As the future of college athletics is debated in boardrooms, courtrooms and on Capitol Hill, a new national survey of youth sports families suggests there is ...
Health Equity in Action: Building Pathways to Care and Community Well-Being
Through a Cone Health cooking class, Antoinette Haynes was connected to the Virtual Primary Care Clinic at Hampton Homes, an initiative of Cone Health’s Center for Health Equity.
Teens are sleeping less than ever and screens aren't primarily to blame
Nearly a quarter of teens sleep 5 hours or less per night and the majority sleep less than 8 hours. The problem is pervasive and technology doesn't seem to be the main culprit, according to a new report.
Wall Street executives blame Morgan Stanley’s latest layoffs on AI
Insiders close to the Wall Street giant say the real culprit can be summed up in two letters: “A” and “I.”
New Mexico governor signs suite of health care bills, including medical malpractice reform, into law
New Mexico Gov. Michelle Lujan Grisham signed medical malpractice reform and several other health care bills into law on Friday.
Governor signs medical malpractice reform, other health care bills into law - Office of the Governor
LOS LUNAS, N.M. — Governor Michelle Lujan Grisham today signed several bills that will transform New Mexico’s health care system by reforming medical malpractice law, health care affordability, patient billing transparency and hospital funding and more. The bills — HB 99, HB 4, HB 306 and SB 101, among others — represent a historic milestone […]
What does malpractice insurance have to do with AI?
In this edition of STAT's AI Prognosis: Brittany Trang dives into what medical malpractice insurance looks like in the age of artificial intelligence, and more.
Microsoft Warns OAuth Redirect Abuse Delivers Malware to Government Targets
Microsoft details OAuth redirect abuse used to deliver ZIP malware and EvilProxy links to government targets.
Entertainment and more in the Mid-Ohio Valley
PARKERSBURG — The Artsbridge calendar of events for this week: TODAY * Geppetto Woodcarver’s Wood Quilt on display, 9 a.m. to 4 p.m., WesBanco, Market Street, Parkersburg * Art is Life/ Life is Art, ages 55+ 10:30 a.m. to 12:30 p.m., Parkersburg Art Center * Lunch and Learn Lecture with the Belpre Tree Commission, noon […]
NCL has younger cruisers in mind with entertainment shift
Norwegian Cruise Line is ending two more Broadway-style shows, but they won't be missed by all, travel advisors say.
APPLY: Local Business Journalism Fellowship
Apply to NPF’s Local Business Journalism Fellowship, scheduled for April 26-29, 2026 in Washington, D.C., by March 23.
LAFC vs. Inter Miami: Denis Bouanga, Son Heung-min help spoil Lionel Messi show with 3-0 rout in season opener
In what felt like the main event of Matchday 1 of the 2026 MLS season, LAFC upset the reigning champions with a 3-0 win in front of over 75,673 fans inside Los Angeles Memorial Coliseum.
His Team Devised Ways to Keep World Cup Crowds Safe
Michael Silevitch leads a research center dedicated to protecting busy public spaces. Last April, he was instructed to “end all work” immediately.
GoLocalProv | News | Are Administrators the New “Fall Guys” in RI High School Sports Controversies?
Two recent high-profile controversies involving high school athletes at Rhode Island public schools have seen school administrators take the proverbial falls.
GoLocalProv | Politics | Epstein Cronies Donated Tens of Thousands to RI Politicians — Raimondo & Foulkes Largest Recipients
A number of Jeffrey Epstein’s cronies — some of America’s most powerful leaders in business and politics — have donated more than $20,000 to six different Rhode Island politicians.
At a Bonobo’s ‘Tea Party,’ Scientists Find Hints of Imagination
By playing pretend with an ape, scientists found a human hallmark in our closest living relative: the capacity for make-believe.
Yahoo Sports partners with the Sports Card Nonsense Media Network to expand collectibles coverage
Yahoo Sports and the Sports Card Nonsense (SCN) Media Network are partnering to deliver some of the most engaging and entertaining collectibles-related video content directly to users on myriad platforms.
He Built a Server to Protect Indigenous Health Data
Joseph Yracheta was in charge of a repository that compiled and protected tribal health data. Then its funding was cut.
He Built a Server to Protect Indigenous Health Data
Joseph Yracheta was in charge of a repository that compiled and protected tribal health data. Then its funding was cut.
‘Biblical Diseases’ Could Resurge in Africa, Health Officials Fear
Parasites and infections that cause blindness and other disabilities were nearly eliminated in some countries, but drug distribution to prevent and treat them was derailed in many places in 2025 after the U.S. cut aid.
Nursery industry chief navigates politics as 'friend accumulator'
As the Republican scion of Democrat parents, Jeff Stone is no stranger to political debate — nor to to reaching across the aisle.
These four common foods may be wrecking your gut health, expert warns
Common kitchen foods may be damaging your gut health without you knowing it. A nutrition expert reveals four surprising culprits harming your microbiome.
Powdered Whole Milk Could Be a Culprit in the ByHeart Botulism Outbreak, Tests Show
Powdered whole milk used to make ByHeart infant formula could be a source of contamination that led to an outbreak of botulism that has sickened dozens of babies, U.S. health officials indicated Friday. Testing by the U.S. Food and Drug Administration found the type of bacteria that can cause the ...
GoLocalProv | News | CVS Health May Have Violated Antitrust Laws, Finds House Judiciary Committee Report
The House Judiciary Committee released an interim staff report titled
GoLocalProv | Business | RI Ranked As Worst State to Start a Business
For Rhode Island entrepreneurs, the news can’t get any worse.
Florida football icon coach Steve Spurrier addresses health rumors in social media post
In a social media post, former Florida football coach Steve Spurrier confirmed he underwent a procedure to treat his arthritis at Duke Medical Center.
Trump to meet Thursday with Venezuela opposition leader Machado
Trump declined to back opposition leader Maria Machado in the immediate aftermath of the US attack on Venezuela and ouster of its president.
Trump says Venezuela opposition leader Machado to visit US 'next week'
Donald Trump said in a Jan. 8 interview on Fox News's "Hannity" that he would "look forward to saying hello" to the 2025 Nobel Peace Prize winner.
Steelers are clearly preparing for life after Mike Tomlin
The Steelers seem to be getting ready to start a new era.
Entertainment and more in the Mid-Ohio Valley
PARKERSBURG — Events and things to do this week from Artsbridge: TODAY * Belpre Holiday Lights, Civitan Park, Belpre * Christine Rhodes multi medium artwork display, 9 a.m. to 4 p.m., WesBanco, Market Street, Parkersburg * Here the Pioneers Landed exhibit, 9:30 a.m. to 5 p.m., Campus Martius Museum and Ohio River Museum * Frozen […]
Full-length Replay: Southern U. at Illinois
The No. 20 Illinois Fighting Illini host the Southern Jaguars at the State Farm Center.
Trump gives Christmas subsidies to farmers, lumps of coal to others
Per the U.S. Department of Agriculture, “Median total farm household income has exceeded the median U.S. household income in every year since 1998.
How Cameroon Fought to Save Its Malaria Program After the U.S. Cut Critical Funding
When the Trump administration slashed foreign aid, it gutted a program that had reduced malaria deaths world wide. In northern Cameroon, health workers tried to protect children in one last rainy season.
Aren't Oregon's farmers, ranchers and stewards 'Oregon business'?
Both Gov. Kotek's Oregon Prosperity Roadmap and the Oregon Business Plan have elicited fanfare and criticism. As the director of an organization whose members’ livelihoods are tied to businesses inside and outside our urban growth boundaries, I am concerned that these roadmaps emphasize industrial and tech development, calling to pave over our farms, forests, and watersheds.
Call of Duty game cocreator Vince Zampella dies in car crash in the US
The developer and executive was known as one of the most influential figures in modern first-person shooter games.
Entertainment and more in the Mid-Ohio Valley
PARKERSBURG — Artsbridge calendar of events for the week. TODAY * Belpre Holiday Lights, Civitan Park * Christine Rhodes multi-medium artwork display, 9 a.m.-4 p.m., WesBanco, Market Street, Parkersburg * Here the Pioneers Landed, exhibit, 9:30 a.m.-5 p.m., Campus Martius Museum and Ohio River Museum, Marietta * Storytime, newborn-preschool, 10:15-11:15 a.m., Barlow Branch Library WEDNESDAY, […]
GoLocalProv | News | The Politics of Tragedies – “The Sunday Political Brunch”—December 21, 2025
By all measures, it has been a tough week. From the fatal shootings at Brown University and an MIT professor’s home, to the murders of an iconic Hollywood couple. There were also new developments in the Epstein case, some key votes in Congress, and another presidential controversy. Let...
Kennedy, US health officials outline new rules, warnings to block transgender care for youth in the US
US Health and Human Services Secretary Robert F. Kennedy Jr. and other health officials said Thursday that the federal government will block hospitals and doctors from providing transgender care to children, saying, “this is not medicine, it is malpractice.”
Amazon's new Alexa+ feature adds conversational AI to Ring doorbells
Amazon said that the feature uses the Ring doorbell's video descriptions to determine who the person in front the camera is based on their uniform, actions, and what they are holding.
Fed rates are driving the white-collar recession
America's job market is paralyzed — and white-collar workers are struggling to land roles. The real culprit is high interest rates, not AI.
House GOP moderates weigh deal with Democrats on ACA subsidies
"It's idiotic, it's political malpractice," Rep. Mike Lawler told reporters of Johnson refusing to give them a vote on ACA subsidies
Entertainment and more in the Mid-Ohio Valley
PARKERSBURG — The Artsbridge calendar of events for the Mid-Ohio Valley: TODAY * Anything Goes: Wild Things, all member exhibition of the West Virginia Watercolor Society, Parkersburg Art Center * Belpre Holiday Lights, Civitan Park * Christine Rhodes, multi medium artwork display, 9 a.m.-4 p.m., WesBanco, Market Street, Parkersburg * Here the Pioneers Landed, exhibit, […]
Opinion: Pro-business in Bristol Bay means salmon, not mines
Rather than propping up a foreign mining corporation, Alaska should look after the businesses that already anchor Bristol Bay communities.
Healthcare consolidation and rising costs happen, but Obamacare is not the key culprit
The debate over Affordable Care Act tax credits has prompted Republicans to blame the ACA for consolidation in the healthcare industry. But experts disagree about how much this can be tied to Obamacare.
Entertainment and more in the Mid-Ohio Valley
PARKERSBURG – The Artsbridge weekly calendar of events and programs: TODAY * Anything Goes: Wild Things, all member exhibition of the West Virginia Watercolor Society, Parkersburg Art Center * Belpre Holiday Lights, Civitan Park * Festival of Trees Display, Blennerhassett Hotel and Spa * Shannon Hammer, naturalist photography display, 9 a.m. to 4 p.m., WesBanco, […]
Entertainment and more in the Mid-Ohio Valley
PARKERSBURG – The Artsbridge calendar for the week ahead: TODAY * Anything Goes: Wild Things, all member exhibition of the West Virginia Watercolor Society, Parkersburg Art Center * Belpre Holiday Lights, Civitan Park, Belpre * Festival of Trees Display, Blennerhassett Hotel and Spa * Shannon Hammer, naturalist photography display, 9 a.m. to 4 p.m., WesBanco, […]