You may think you know a lot about the flu,
but you probably don't know all five of these facts.

Cataracts form a cloudy area in the lens of your eye. How can you avoid
this very common eye problem?

There's little doubt that bicyclists should wear helmets.
Who's less likely to follow this golden rule—men or women?

Think a heart attack always comes on suddenly? This may be why so many people wait before they get the help they need.

You've seen the bumper stickers: "I ♥ my dog."
Here are seven possible reasons for that sentiment.