The ability to move with speed, precision and power is important for longevity. Here’s how to gauge it and how to improve.

Many surgeons order routine lab tests before you are admitted to the hospital or before certain outpatient procedures. The tests help find possible problems that might complicate surgery if not found ...

To become a U.S. citizen, you now have to take a citizenship test that’s twice as long as it was before, with more than half ...