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 40: Chronic Traumatic Encephalopathy CTE
Chronic traumatic encephalopathy (CTE) is a degenerative brain disease that kills brain cells. Though it has been linked to brain trauma and certain proteins in the brain, little is known about this disease. CTE is thought to be caused by repetitive brain trauma.