Here's how often your body parts get replaced in your lifetime

Chances are good you think you're more or less the same person you were last week. But the lining
Chances are good you think you're more or less the same person you were last week. But the lining

Zodiac Signs as Body Parts—Which One Does Yours Rule?

Why science still hasn't cracked the artificial heart

Does the human body replace itself every 7 years?

Here's how many years you could gain by keeping heart disease at bay

Humans Could Live up to 150 Years, New Research Suggests

Can Your Personality Change Over Your Lifetime?

I spent 10 years studying what makes us happy in life—here's the No. 1 thing I overlooked the entire time

How Fast Does Your Body Refresh Itself? : Shots - Health News : NPR

Stages of Psoriatic Arthritis: Signs of Early to Late Disease Progression

How Fast Does Your Body Refresh Itself? : Shots - Health News : NPR

Here's How to Calculate How Much Sleep You Need - CNET