Health

It’s one step forward and two steps back for vaccine policy in the U.S. Plus, we discuss the fishy origins of sensitive teeth and megalodon diets.

Oil industry opposition to a planned OSHA rule to limit heat deaths comes as oil and gas workers face increasingly dangerous conditions

British climbers recently reached the top of Mount Everest in record time. They inhaled xenon gas before the trip. But was that the decisive factor?

A new study suggests a way to more accurately test sperm health from home.

Ministrokes, also known as transient ischemic attacks, can eventually lead to cognitive declines as steep as those that follow a full-on stroke, new research finds

Despite the fact that vaccines against COVID have already undergone strict safety reviews and that people continue to die from the disease, Trump’s FDA is moving to reduce access to annual COVID boosters for healthy Americans

Mildred Weeks Wells and her husband figured out that disease-causing pathogens can spread through the air like smoke

A new study suggests blood and urine samples could provide an objective measure of diets and help unravel their connections to disease

Researchers have tested an mRNA vaccine against avian influenza in calves with promising results

Vitamin D supplements may help prevent the loss of telomeres, DNA sequences that shrink with aging, a large study shows. But the health effects aren’t yet clear

When insomnia took hold of this journalist, she relied on her science reporting to find a medication that (mostly) worked

A sleep medicine specialist explains how restless nights lead to consuming more calories and how you can use sleep as a tool for weight loss