A new method can estimate when a person with no cognitive symptoms will start showing signs of Alzheimer's dementia based on a brain scan and age.

Pleasant socializing on one day results in better cognitive performance the next, finds new research with people 70 to 90 years old.

A new study documents major gaps in who gets dementia care that could help them remain at home. A key factor is potential family caregivers.

A small increase in levels of fine particle pollution at specific addresses was linked with a greater dementia risk for people living there.

Tooth loss is a risk factor for dementia—and with each tooth lost, the risk of cognitive decline grows. But dentures may offer some protection.

Only 1 in 10 seniors who have cognitive impairment in line with dementia report actually having a formal diagnosis, researchers report.

The FDA has approved the first new Alzheimer's drug in nearly 20 years. Stephen Salloway digs into what it means for patients and for the disease's future.

Staying active, both physically and mentally, can help older adults with cognitive impairment stave off declines in cognitive engagement.

"...there's hope that through targeted play we will be able not only to delay but also weaken the symptoms of dementia."

Assisted living communities can improve the quality of life for residents with dementia when they treat them as individuals and include them in activities.