HEALTH

The explanation might tick you off.

Florence Nightingale, the founder of modern nursing, left a revolutionary mark on sanitation, healthcare ... and pie charts.

2. It hijacks the immune system.

Understanding the design can tell you a lot about how vision works.

Don't let the viral stories scare you.

They have remarkably similar symptoms, but doctors say there are a few ways to tell them apart.

In the largest study of its kind, researchers offer a major step forward in how we understand depression.

Eco-friendly equipment saves Sacramento Eco Fitness hundreds of dollars on electricity each month.

And 10 drinks a week could shave two years off your life.

Admit it—you do some of these all the time.

Don't worry—it's perfectly normal.

Let trainers give you facial massages and teach you how to make funny faces.