Most of us have seen or had warts, but what exactly are these things?

Heartburn is a common, uncomfortable condition that is remedied fairly easily.

We've all experienced déjà  vu, but what is it?

Don't strain, and lift with your legs. Hernias are common, and sometimes complicated.

What's the science behind those beet-red cheeks?

How can you fight off varicose veins?

Head lice are a common parasite carried by humans.

If you swallow a piece of gum, does it really stay in your stomach for seven years?

Bunions are a painful -- and often hereditary -- foot condition.

A short guide to the dizzying sensation of vertigo.

Ringworm isn't a worm at all! It's a terribly contagious fungus.

Do you have little white spots under your fingernails?