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 6: Hollywood Responds to Alzheimers Disease with Movies
Scientists and health care professionals have done much to gather information and to offer support. Books about Dementia. Hollywood has responded as well.