brain

Any blow to your head that bounces your brain around inside your skull can cause swelling or tiny tears in the brain tissue (a.k.a. a concussion). Symptoms don't always appear right away, and when they do surface, they may last anywhere from mere minutes to a lifetime.

Proud parents may be forgiven for thinking candid snaps of their offspring are calendar-worthy. But their pals may not be as enraptured by their baby’s changing expressions.

You’re getting enough sleep and you’re eating properly, so why are you so tired all the time? It may not have anything to do with your sleeping habits or your diet. In fact, it may have something to do with your thinking patterns.

For most of us, completing a marathon seems like a Herculean task. For Claire Lomas, 32 (left), it was impossible. Paralyzed from the chest down after a horse-riding accident five years ago, she knew she would never be able to walk again.

New research shows your brain is chock full of brilliant ideas just waiting to be let loose. Meet four women who've unlocked the mystery - and learn how to spark your own imaginative genius