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Health

Ötzi the Iceman is housed at the South Tyrol Museum of Archaeology, where conservationists periodically humidify his remains.

Ötzi the Iceman May Have Carried a Cancer-Causing Strain of HPV, a Common Virus Still Plaguing Humans Today

A new study, which also found evidence of the high-risk strain in 45,000-year-old remains, suggests HPV has evolved alongside humans for many millennia

Japan Aerospace Exploration Agency astronaut Akihiko Hoshide

Spaceflight Temporarily Changes the Position and Shape of Astronauts’ Brains, MRI Data Suggests

The biggest changes happen in brain regions involved with processing sensory information and coordinating movement, according to a new study

A neural circuit that processes motivation and reward seems to act as a "brake" when faced with an unpleasant task, a study suggests.

Can’t Get Started on a Daunting Task? This Brain Circuit That Slams the Brakes on Motivation Might Be to Blame

Monkey experiments hint at a “motivation brake” pathway between two brain regions. Manipulating it may lead to new treatments for depression and other psychiatric conditions

Naked mole-rats are unusual for their long lives and resistance to cancer. Now, researchers suggest the rodents not only tolerate but prefer to be in low-oxygen air.

Naked Mole-Rats Prefer Low-Oxygen Air That Would Kill Most Mammals, Adding to Their List of Death-Defying Superpowers

These underground rodents are the first mammals found to actively choose air with lower-than-normal oxygen levels. Their remarkable ability to survive these conditions could offer a key model for researchers studying new treatments for stroke or lung diseases in humans

Though the study describes only a correlational relationship, the findings reinforce the idea that sleep is important for human health. 

Not Getting Enough Sleep? You Might Be Shortening Your Life Span

In the United States, insufficient sleep strongly correlates with life expectancy, even more than diet, exercise or social connections do, a new study suggests

Researchers investigated the associations between preservatives and the risk of developing cancer and type 2 diabetes.

Eating Large Amounts of Certain Preservatives Might Increase Your Risk of Developing Cancer and Type 2 Diabetes

Two studies tracked more than 100,000 participants over 14 years to reveal the trends. But they can’t confirm a direct link between eating these preservatives and developing disease, especially because some of the additives were eaten in foods that contain known carcinogens

ChatGPT Health is a new function designed to provide users with personalized medical insights based on medical records and health data uploaded by users. 

OpenAI Says ChatGPT Health Can Understand Users’ Medical Data and Provide Personalized Answers to Their Questions

The new feature can give tailored responses based on medical records and wellness app data, according to ChatGPT’s maker. But some experts are concerned about privacy and worry that people may over-trust the chatbot

Humans have continuously lived and worked aboard the International Space Station (ISS) since November 2000.

NASA to Bring ISS Crew Home Early Because of an Astronaut’s Health Issue, Marking the First Medical Evacuation of the Spacecraft

The unnamed crew member is in stable condition after an undisclosed incident on Wednesday, but the agency is bringing them back to Earth for medical testing

The Strutt EV1 electric motorized chair is marketed to everyone, whether they have mobility challenges or simply want a cool, voice-controlled ride.

Seven Fascinating Inventions Unveiled at the 2026 Consumer Electronics Show

A smart wheelchair, an A.I.-powered tennis ball launcher, a mirror that reports on your health and more were on display at the annual Las Vegas trade show

The Teal Wand is the only self-collection device for HPV testing approved by the Food and Drug Administration for at-home use.

Many Americans Will Soon Have Access to At-Home Cervical Cancer Screening Tests at No Cost

U.S. guidance announced on Monday recommends self-collection of samples to test for HPV, the virus that often causes cervical cancer. Private insurers must cover the costs of the swab kits by 2027

Brainless upside-down jellyfish, like this one in its natural habitat near Eilat, Israel, spend about one-third of their time asleep.

Even Though They Don’t Have Brains to Rest, Jellyfish and Sea Anemones Sleep Like Humans

Sleep may have evolved to help reduce DNA damage in nerve cells long before they became centralized in the brain, a study suggests

Many public health experts, immunologists and pediatricians criticized the revised childhood vaccine schedule, arguing that the changes will likely lead to more disease outbreaks.

U.S. Overhauls Immunization Schedule for Kids, Removing Recommendations for Vaccines Against the Flu, RSV and More

Announced on Monday, the revised schedule drops the number of recommended immunizations from 17 to 11. The CDC suggests that only “high-risk” kids should get many of the vaccines that are no longer endorsed

The U.S. military will no longer shoot live goats and pigs to help combat medics learn to treat battlefield injuries.

U.S. Military Ends Practice of Shooting Live Animals to Train Medics to Treat Battlefield Wounds

The 2026 National Defense Authorization Act bans the use of live animals in live-fire training exercises and prohibits “painful” research on domestic cats and dogs

Stimulants prescribed for ADHD target the parts of the brain related to wakefulness and reward, shown in yellow and orange, according to a new study.

How Do These ADHD Medications Work in the Brain? The Mechanisms Are Different Than Once Thought, a Study Suggests

Adderall, Ritalin and other stimulants prescribed for attention-deficit/hyperactivity disorder seem to work on brain areas involved with wakefulness and reward, rather than attention

The Polar Bear Swim in Vancouver in 1978. Lisa Pantages, second from the left, will complete her 64th annual plunge this New Year’s.

‘Excitement With a Little Dash of Fear’: Polar Plunges Ring in the New Year With a Splash. But What Actually Happens to Your Body?

Three experts share the science behind taking a dip in cold water—and offer safety tips that any potential plungers should bear in mind

Estrogen may cause certain colon cells, shown in green in this microscope image, to release a hormone called peptide YY. This, in turn, causes a different type of colon cell, colored magenta, to pump out the chemical messenger serotonin, which activates pain-sensing nerve fibers.

Women Are More Likely to Have Irritable Bowel Syndrome. This Newfound Gut Pain Pathway Might Explain Why

The hormone estrogen—which female animals typically have more of than males—triggers a molecular cascade in the gut that leads to pain signals, a study in mice suggests

New research suggests that swearing boosts physical performance by reducing inhibitions.

Need a Quick Boost in Physical Strength? Try Blurting Out Some Curse Words, a Study Suggests

When repeating four-letter words, participants held a challenging physical task for longer than when they said neutral words. Cursing seemed to help them feel more focused, more confident and less distracted

Nanoflowers, which look white, can help healthy cells, colored yellow, deliver mitochondria, colored red, to nearby cells. 

A New Way to Boost the Powerhouses of the Cell Might Combat Aging and Degenerative Diseases, Lab Study Suggests

Creating mini mitochondria factories helped recharge damaged cells in a dish, providing proof-of-concept work that could pave the way to new regenerative medicine therapies

In 2025, researchers watched an interstellar comet, learned about human origins and traced the spread of measles.

The Ten Most Significant Science Stories of 2025, From Medical Breakthroughs to an Interstellar Visitor

All year long, these moments captivated the public, demonstrated dangerous trends, and pushed research and innovation forward

Illustration of a T lymphocyte white blood cell, depicted in blue, attacking a cancer cell, shown in red

Scientists Engineered Cancer-Fighting Cells Inside Patients’ Bodies—and Two Early Trials Show Promise

Two recent studies show the novel therapy works in people with multiple myeloma, but researchers are trying to minimize side effects

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