Despite issues with her heart, this octogenarian still competes in triathlons. She's proof that preventive medicine paired ...

Cortisol is the talk of the internet but doctors say most people don't need to worry about it. Levels of what is known as the stress hormone naturally rise and fall throughout the day.

Walking 10,000 steps a day aids weight loss, boosts mood, and enhances heart health. Learn why it's key for a vibrant, ...