Health

From 1979 to 2020, severe turbulence in some locations increased by as much as 55 percent, according to a 2023 study.

Climate Change Is Making Airplane Turbulence More Common and Severe, Scientists Say

Following turbulence on a flight last week that led to one death and dozens of injuries, researchers, flight attendants and transportation officials alike are warning about links between warmer air and turbulence

Laboratory testing found live Trichinella larvae in black bear meat that had been frozen for 110 days.

Family Members Infected With Parasitic Worms After Eating Undercooked Bear Meat at Reunion

Six people developed symptoms of roundworm infection after consuming grilled black bear meat and vegetables in July 2022, and all have since recovered

Electrodes, placed above and below the injury, provide electric stimulation during rehabilitation, in this artist's rendering of the new Arc-Ex device.

New Device Delivers Electric Pulses to Help Patients Regain Movement After Spinal Cord Injuries

Alongside physical therapy, the electric stimulation helped patients with tetraplegia improve mobility in their arms and hands in a small trial

The Black Death killed tens of millions of people in the mid-1300s, but scientists and historians are still trying to figure out how it spread.

Did Body Lice Spread Bubonic Plague? Research Suggests the Parasites Are Better Vectors Than Thought

These blood-sucking insects are capable of transmitting the bacteria that caused the Black Death, according to a laboratory study

Within 72 hours of a patient being admitted with a severe traumatic brain injury, doctors often ask family members to make a difficult choice about whether to continue life support.

After Brain Injuries, Doctors and Families Should Take More Time With Life Support Decisions, Research Finds

A small study suggests some severe traumatic brain injury patients can later recover a level of independence or return to their pre-injury lives

At least 138 howler monkeys have been found dead in the Mexican state of Tabasco since May 16.

Mexico's Howler Monkeys Are Dying, 'Falling Out of the Trees,' Amid Scorching Heat Wave

Veterinarians and volunteers are trying to save the threatened primates by hoisting buckets of water and food into trees, as well as providing medical care

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This Doctor Pioneered Counting Calories a Century Ago, and We’re Still Dealing With the Consequences

When Lulu Hunt Peters brought Americans a new method for weighing their dinner options, she launched a century of diet fads that left us hungry for a better way to keep our bodies strong and healthy

Human-caused biodiversity loss is a major factor that could contribute to more frequent and severe disease outbreaks, according to a new study.

Biodiversity Loss Increases the Risk of Disease Outbreaks, Analysis Suggests

Researchers found that human-caused environmental changes are driving the severity and prevalence of disease, putting people, animals and plants at risk

A portrait of Ludwig Van Beethoven by Joseph Karl Stieler, painted in 1820.

Locks of Beethoven's Hair Are Unraveling the Mysteries of His Deafness and Illnesses

Researchers found high levels of lead, mercury and arsenic in the German composer's hair, which may help explain some of his many ailments

An MRI of a brain of a person with Alzheimer's disease. A new study suggests having two copies of a genetic variant called APOE4 is a cause of the disease, not just a risk factor for it.

Almost All People With Two Copies of This Genetic Variant Develop Signs of Alzheimer's Disease, Study Finds

The research focused on a variant called APOE4 and largely looked at people of European ancestry—risk levels are different for other groups, the authors say

Previous research had found leprosy in modern red squirrels, and genetic analysis suggested the strain was closely related to leprosy found in medieval humans.

Medieval Squirrels and Humans May Have Spread Leprosy Back and Forth

Archaeologists uncovered evidence of leprosy in a medieval red squirrel in England, and DNA evidence revealed the strain was similar to what was circulating in humans at the time

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

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