Ward: Environment

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A hormone can access the brain by 'hitchhiking' on extracellular vesicles, researchers discover

Researchers at Touro University Nevada have discovered that tiny particles in the blood, called extracellular vesicles (EVs), are a major player in how a group of hormones are shuttled through the body. Physical exercise can stimulate this process.

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Using 2+ weed products may raise binge drinking risk for teens

A new study finds an increase in risk of binge drinking among 12th graders who use two or more cannabis products.

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Thousands of U.S. farmers have Parkinson's. They blame a deadly pesticide

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Doctors vote to go ahead with this week's five-day strike

It comes after ministers made fresh offer amid warning the walkout is risky as NHS battles wave of flu.

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Emotions Play a Role in Inflammatory Bowel Disease

Ruhr-Universitat Bochum Many patients with inflammatory bowel disease (IBD) suffer from abdominal pain even between acute inflammatory flare-ups. Altered processing of pain in response to...

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FDA Commissioner on Covid Vaccine Safety and Men’s Health

FDA Commissioner Dr. Marty Makary says the agency has no plans to put a black box warning on Covid-19 vaccines. He says a recommendation was made, but it won't be adopted since the vaccines have changed since they first came out. He speaks with Romaine Bostick and Katie Greifeld on "The Close." (Sou…

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The Leapfrog Group unveils 2025 Top Hospital awardees

The Leapfrog Group said more organizations received the Top Hospital award this year due to improvements in some patient safety metrics.

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Cannabis compounds show unexpected power against ovarian cancer

Scientists have discovered that key compounds from cannabis—CBD and THC—show surprisingly strong effects against ovarian cancer cells. Used together, they slow cell growth, reduce colony formation, and may even block the cancer’s ability to spread. Even more promising, the treatment caused minimal h…

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Winter weather hampering travel plans for millions of Americans

Travelers dealt with slowdowns at airports Sunday thanks to the arctic blast affecting parts of the country. Nicole Valdes reports.

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Tracking Sudan’s humanitarian crisis: By the numbers

Nearly three years of war have displaced 14 million people and pushed 21 million into acute hunger.

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Anxiety and insomnia linked to sharp drops in key immune cells

Natural killer cells act as the immune system’s rapid-response team, but the stress of anxiety and insomnia may be quietly thinning their ranks. A study of young women in Saudi Arabia found that both conditions were linked to significantly fewer NK cells—especially the circulating types responsible …

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Normalizing Blood Sugar Cuts Heart Attack Risk in Half

Universitat Tubingen For the first time, an international analysis has shown that when people with prediabetes bring their blood glucose back into the normal range through lifestyle changes,...

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Watch: How Sir Chris Hoy's family found strength after his cancer diagnosis

Sir Chris Hoy and wife Lady Sarra talk about how they have helped their children understand his terminal cancer diagnosis.

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The Roots of Dementia Trace Back to Childhood

Michael Irving, Science Alert Dementia is often associated with older people,...

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Indoor tanning triples melanoma risk and seeds broad DNA mutations

Researchers discovered that tanning beds cause widespread, mutation-laden DNA damage across almost all skin, explaining the sharply increased melanoma risk. Single-cell genomic analysis revealed dangerous mutations even in sun-protected regions. Survivors’ stories underscore how early tanning habits…

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Poor Sleep Can Trigger a Vicious Cycle Your Brain Can't Break, Experts Warn

It’s important to get help.

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Children need mental health care provided by humans, not chatbots | Letter

Dr Roman Raczka says artificial intelligence can’t replace therapist-led care, even though it can offer benefitsIt is absolutely right that children “need a human, not a bot” for mental health support (‘I feel it’s a friend’: quarter of teenagers turn to AI chatbots for mental health support, 9 Dece…

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Don't call it a 'super flu' - but the NHS is right to be worried this winter | Devi Sridhar

An early flu season, a new variant and poor takeup of vaccines leave the already vulnerable health service in a dangerous positionProf Devi Sridhar is chair of global public health at the University of EdinburghYou might be feeling stressed out seeing the headlines about “super flu” and comparing th…

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Female libido pill gets expanded approval for menopause by FDA

The Sprout CEO said it “reflects a decade of persistent work with the FDA to fundamentally change how women’s sexual health is understood and prioritized.”

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FDA accuses Walmart, Target, Kroger and Alberstons of botched botulism recalls as infants got sick

The agency sent letters to leaders at the companies, saying they continued to sell ByHeart infant formula for days or weeks after the recall.