Look into your eyes frequently.  No I'm not making fun of the fact that it's Valentine's Day and you've been staring at into your "loves" eyes!  I mean really look into your eyes, they will tell you things about your health you didn't know!

"The eye is a unique window into health," says ophthalmologist Andrew Iwach, spokesperson for the American Academy of Ophthalmology (AAO) and executive director of the Glaucoma Center of San Francisco. "It's the only place in the body where, without surgery, we can look in and see veins, arteries, and a nerve (the optic nerve)."