Health

Previous research suggested that anger can increase people's risk of heart attacks. In the new study, researchers found that part of the reason why could be that anger briefly reduces blood vessels' ability to widen.

Can Anger Affect Your Heart Health? Scientists Find the Strong Emotion Impacts How Blood Vessels Function

The results could even help explain why stress from anger may trigger a heart attack

Astronauts could run around the interior walls of cylindrical homes on the moon.

Could Running Around a 'Wall of Death' Help Astronauts Stay in Shape on the Moon?

Short sprints on these cylindrical structures, long used by daredevil motorcycle riders, might promote muscle mass and bone density in low-gravity conditions

Researchers are recruiting some 1,100 people globally to participate in the trial's third phase.

Personalized Melanoma Vaccine Could Be a 'Game Changer' by Teaching the Body to Fight Cancer Cells

The mRNA therapy, designed to prevent treated skin cancer from returning, is entering its third phase of trials

Experts say the pasteurization process likely kills the virus, and tests are likely just detecting remnants of the dead virus.

One in Five Milk Samples Has Bird Flu Virus Fragments, Suggesting Cow Infections Are More Widespread Than Thought

The research has not yet found evidence that milk contains infectious virus, and the FDA says the commercial milk supply is safe

Doctors perform a pig kidney transplant on April 12. So far, the patient is recovering well, but doctors will need to continue to monitor her in the hospital and make sure her immune system doesn't reject the transplanted organ.

Second Patient Receives Gene-Edited Pig Kidney Transplant in Breakthrough Surgery

The woman, 54-year-old Lisa Pisano, also received a mechanical heart pump implant days earlier, making her the first person to undergo both procedures

A couple sits atop Tourkovounia Hill in Athens as clouds of Saharan dust cover the capital city.

Skies Over Athens Turn a Martian Orange Amid Saharan Dust Storm

Strong winds brought desert dust and heat across the Mediterranean this week, sparking health advisories and fires in Greece

Bird flu was first detected in U.S. dairy cows in March. So far, infections have been detected in 33 herds across eight states.

Bird Flu Virus Detected in Pasteurized Milk, as U.S. Moves to Test More Dairy Cows

The FDA maintains that the commercial milk supply is safe, and it plans to report results of further tests in the coming days and weeks

A rarely diagnosed medical condition causes gut microbes to produce alcohol inside the body.

This Rare Condition Makes Some People Get Drunk, Even When They Haven't Touched a Drop of Alcohol

A man in Belgium was acquitted of drunk driving charges this week, after doctors showed he has auto-brewery syndrome, which makes his body produce alcohol

Ruben Soto (right), a migrant from Venezuela, sits with Rosa Bello, a Honduran migrant, on top of a freight train known as “The Beast.” Ruben and Rosa met in Mexico and fell in love on their way to the United States.

See 25 Astonishing Images From the World Press Photo Contest

The winning photographs capture moving moments in the midst of tumultuous global events

Farmer Robert Tomlinson harvests forced rhubarb by candlelight on his farm in Pudsey, near Leeds in northern England, in January 2022. 

The English Farmers Who Harvest Rhubarb by Candlelight

The secret to the world’s sweetest rhubarb? Sealed sheds, total darkness and a little old-fashioned flair

The measles virus as seen through a transmission microscope. Rising numbers of measles cases in the U.S. threaten its eliminated status, according to a new CDC report.

U.S. Measles Cases Are Rising in 2024, CDC Warns

Health officials urge vaccination against the highly contagious virus, which has caused 121 infections in the country this year

A vineyard in central California that had been irrigated with PFAS-contaminated well water from firefighting foam used for years at a nearby airport.

EPA Sets First Federal Limits on Dangerous 'Forever Chemicals' in Drinking Water

Public water systems will have to test water and reduce levels of six types of PFAS if they aren't in compliance with the new rule

For each bad night of sleep in a one-month period, participants reported feeling three months older, on average, than they really are.

Bad Sleep Can Make You Feel Years Older Than You Really Are, Study Suggests

After just two nights of short sleep, a person’s “subjective age,” or how old they feel, can spike by more than four years

"Change Your Game / Cambia tu juego" looks at scores of innovations that improve performance, ensure safety and more accurately score games.

From the JogBra to Gatorade to Breakaway Basketball Rims, Sports Are a Field for Invention

A new exhibition at the National Museum of American History aims to inspire the next generation of innovators

A person has tested positive for the H5N1 strain of bird flu just days after livestock across four states were reported to be infected.

First Human Case of Bird Flu in Texas Confirmed, Following Infections in Cattle—Here's What to Know

This marks only the second time in U.S. history that a human has contracted the H5N1 strain of avian influenza

As one of the first female-only programs of its kind in Tanzania, Exodus Travels Foundation provides intensive three-week training sessions for local women who want to obtain their guide license through its Mountain Lioness Scholarship.

Five Programs Paving the Way for Gender Equality Worldwide

Around the globe, teams of women are taking on traditionally male-dominated roles

Oral health problems can signify other problems throughout the body.

Why Isn't Dental Health Considered Primary Medical Care?

Ailments of the mouth can put the body at risk for a slew of other ills, yet dentistry is often siloed

Study participants who reported eating during shorter time frames were more likely to die from heart disease during the period of the study.

Intermittent Fasting Linked to Higher Risk of Death From Heart Disease, Preliminary Study Finds

New research challenges the idea that restricting eating to a limited time frame is beneficial—though the work has some notable limitations, such as a reliance on self-reported eating habits

Couriers’ duties included fetching patients from cabins, weighing babies, delivering medicine, cleaning saddles and bridles, and escorting any guests who rode the routes between FNS outposts.

Why Debutantes Volunteered to Be Horse-Riding Couriers in Rural Kentucky

Between the 1920s and 1940s, wealthy young women signed up to run errands and carry messages for the Frontier Nursing Service, whose nurse-midwives provided care to patients in hard-to-reach areas

State and federal officials say the milk from the infected cows had been discarded and destroyed. This cow, photographed in 2016, is not one of those infected.

Bird Flu Confirmed in U.S. Dairy Cows for the First Time, but Milk Supply Is Unaffected, Officials Say

Tests detected the virus at two farms in Texas and two farms in Kansas, but officials and scientists stress commercial dairy products remain safe to consume

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