Scientists haven't been able to diagnose CTE in people before death, but new research may change that.

A new discovery about tau proteins may pave the way for new treatments for conditions like dementia and Alzheimer's.

In a new study, older people who ate lots of mushrooms had a lower risk for cognitive decline.

Blood samples from 9/11 responders with PTSD symptoms suggest a potential link to dementia.

Doctors should monitor people facing hip repair surgery after a fall for post-operative delirium, even if they have no signs of dementia. Here's why.

And the number of people living with dementia could more than double again by 2050, researchers say.

A lone mutation in a single gene may be a culprit in frontotemporal dementia, which can strike patients as young as 40.

In a small study, MRI brain scans predicted with 89 percent accuracy who would go on to develop dementia within three years.

Maintaining a healthy lifestyle with regular activity, normal blood pressure, and normal levels of "good" cholesterol could reduce risk of dementia.

Older adults who have lost teeth may be at higher risk for malnutrition. "The mouth is the entry way for food and fluid intake."