Add Yahoo as a preferred source to see more of our stories on Google. Most studies indicate that brain volume starts to change in your 30s or 40s. (Getty Images) It’s no secret that we physically ...

Cognitive health is your ability to think, learn, and remember. It is a major part of your overall brain health, and you can ...

What's normal? What's not? Find out what experts say about the cognitive aging process and the secrets of ‘superagers.’ Our brains start to shrink as early as our thirties and forties. In middle age, ...