Your brain is currently expending about a fifth of your body's energy, and almost none of that is being used for what you're doing right now. Reading these words, feeling the weight of your body in a ...

Scientists are reporting the first compelling evidence in people that cognitive training can boost levels of a brain chemical that typically declines with age. A 10-week study of people 65 or older ...

The lifetime risk of dementia for Americans aged 55 and older is now estimated at 42%. Early signs of dementia are often noticed by others first and can include poor judgment or repeating oneself.

The lifetime risk of dementia for Americans aged 55 and older is now estimated at 42%. Early signs of dementia are often noticed by others first and can include poor judgment or repeating oneself.