Share on Pinterest Excessive sleepiness as we grow older may be a warning sign of dementia, new research says. Image credit: francesco_de_napoli/Getty Images. At least 55 million people are living ...

Mr. Hackman, 95, may have been among the most famous movie stars of the 20th century, but his circumstances point toward a common challenge, according to experts in dementia and family caregiving.

Dementia is a syndrome that involves severe loss of cognitive abilities as a result of disease or injury. Dementia caused by traumatic brain injury is often static, whereas dementia caused by ...