Subscribe to The Post Most newsletter for the most important and interesting stories from The Washington Post. A drug taken by thousands of Americans to improve longevity might have an unexpected ...

Many people think major physical decline only happens in old age. But a major Swedish study suggests the process may begin ...

A remarkable long-term study from Sweden has revealed an important truth about aging and the human body. Researchers ...

A study has found that physical abilities begin to decline noticeably around the age of 35. However, it was also revealed ...