Dementia is a syndrome, not a disease. Dementia is a group of symptoms that affects mental cognitive tasks such as memory and reasoning. Dementia is an umbrella term that Alzheimer's disease can fall under. It can occur due to a variety of conditions, the most common of which is Alzheimer's disease
https://player.whooshkaa.com/shows/dementiaq
episode 9: Black Americans Need to Listen about Alzheimers Disease
New research finds that African-Americans who grow up in harsh environments and have many stressful experiences are much more likely to develop Alzheimer's or some other form of dementia.