It's commonly believed that that grandpa has more knowledge than his young whippersnapper of a grandkid. But do wrinkles on the face really relate to wrinkles on the brain?
WHAT'S INSIDE: INSIDE THE MIND
- The Human Brain
You might classify yourself as right-brained or left-brained, depending on whether you tend toward logic or creativity. But what if a brain tumor changed it all, and one day you left your medical studies and devoted your days to art?
Do you remember what it was like to feel that happy as a kid, when life was less complicated? If not, these 10 tips might get you grinning again. C'mon. Turn that frown upside down.