Dementia affects millions of people worldwide, and as our population ages, the number of cases is rising. This condition ...

Some 2.3 million of U.S. adults older than 65 — more than 4% — have a diagnosis of dementia. But even without a diagnosis, a certain amount of cognitive decline is normal as age sets in.

A once-a-day pill that targets the production of the stress hormone cortisol in the brain has the potential to be the “holy ...