The number on the nutrition label doesn’t always reflect what your body absorbs.

Thirteen million years ago, a group of medium-sized monkeys known for guarding their territory among the treetops with fearsome "howls" started doing something new. These monkeys, among the oldest ...

We become forgetful as we age. This is often seen as a universal truth, but in fact it is far from universal: some people ...

Plus, how to tell if it needs healing in the first place.