Health

A new study finds that cognitive training can increase the levels of a key chemical messenger in the brain responsible for decision-making, and reverse a process associated with aging. adventtr/iStockphoto/Getty …

Researchers say fewer children developed peanut allergies after guidelines were put into place calling for introducing peanut products to young children. Patrick Sison/AP hide caption toggle caption Patrick Sison/AP For …

Clockwise from upper left: Katie Martin, Lexy Mealing, John Manna and Mary Catherine Johnson. They differ on politics, but they all came to Washington, D.C., to lobby Congress to support …

One kind of tiny ant can serve as a monumental example for how to keep members of a community safe from pathogens. A new study shows how they do it.

Many people try cannabis for back pain. Now new studies from Europe show it may be an effective option. Tinnakorn Jorruang/iStockphoto/Getty Images hide caption toggle caption Tinnakorn Jorruang/iStockphoto/Getty Images Should …

Collagen is the most abundant protein in our bodies. It helps keep our skin firm and elastic. But as we age, the amount and quality of that collagen declines. And …

A hand holds a paddle against a clear blue sky, preparing to hit a yellow pickleball. The scene suggests a bright and sunny day, with the pickleball clearly in motion. …

Dr. Sue Goldie and New York Times reporter John Branch recount how a private, years-long conversation about her Parkinson’s became a public story.

If you’re a caregiver for an ill or elderly adult, you’re not alone. Millions of others are right there with you. They know how rough it can be, and they …

A new study shows that cognitive training can increase the levels of a key chemical messenger in the brain responsible for decision-making.