It's called orthorexia nervosa, and it's an eating disorder in which a person refuses to eat any food that isn’t "pure." Learn how to recognize it—in yourself or someone else.

If you're sick with the flu, stay home. Your coworkers will thank you.
But what if you absolutely have to go in to work? Here's some advice.

No, that doesn't describe foods that make you angry.
Instead, it refers to foods that cause inflammation.
Find out why a diet high in these kinds of foods may be hazardous to your health.

E-cigarettes contain addictive nicotine, and there's good evidence they steer teens toward tobacco use. But a government report found something positive about e-cigs.

Salmon and other fish containing omega-3 fatty acids are considered heart-healthy foods. Does that mean that supplements containing omega-3 fatty acids
are good for your cardiovascular health too?