Halle Berry revealed the secret to her ageless energy and her latest revelation about taking testosterone is starting a health revolution.

Aging isn't fun for everyone, and as the years go by, it can be downright frustrating. But, actress Sarah Michelle Gellar, 47 ...

A person's 'bioenergetic age' -- or how youthfully their cells generate energy -- might be a key indicator of whether they're at risk of developing Alzheimer's disease, new research shows. The study ...