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.

From severe headaches to sudden bathroom changes, don't ignore these possible symptoms of more severe health problems.

We used to say, ‘You know it when you see it,’” said Dr. Peter Abadir, an associate professor of geriatric medicine and ...