Using historical data on women in Finland, researchers discovered that having five or more children—or no children at all—is ...

You probably already have this nutrient in your medicine cabinet or your refrigerator.

A nasty rash isn’t the only thing this shot may spare you from. A new study from the University of Southern California found ...

New research suggests vitamin D may help slow biological aging by reducing telomeres shortening, a key marker of cellular aging. Newsweek has reached out to some of the study's authors as well as ...

Why don't all people in a particular age group (50s, 60s, etc.) look the same? One 45-year-old looks like they're not a day after 30, while another looks like their mother's twin sister. The ...

Right now, nearly 58 million people are 65 years old or older and research shows 65-year-olds can expect to live another 18.9 years, on average.

Editor’s Note: The following column was originally published July 12, 2022. Thanks to breakthroughs in medicine and nutrition in recent years, we are living longer than ever before. But this increase ...

Extreme heat may be silently accelerating biological aging in older adults, adding months to cells before disease appears.

CINCINNATI (WKRC) - A new study found that spending too much time in extreme heat could speed up the biological aging process, increase the risk of disease, and damage cells. The recent study, ...

Restricting how much you eat without starving has been shown to robustly extend lifespan in more than 20 species of animals including primates. How this works is still unclear. In a new study ...