Dr. Mehmet Oz discusses vision in this clip from Discovery Health's "Truth About Food." Learn about lutein, a nutrient in spinach that can help keep people from going blind.
WHAT'S INSIDE: HUMAN BODY
- Body Parts
- Body Systems
Exoskeletons normally cover insects, not humans. Why would a human ever want one? Is the possibility of an exoskeleton for humans just around the corner?
Flatulence is funny, but there's actually some pretty interesting stuff going on in your body to cause it. After reading these 10 facts, you may never look at airplane travel the same way.