Which one first dementia or Alzheimer’s decease

Answer 1

Dementia is a broad term used to describe a decline in cognitive function that interferes with daily activities. Alzheimer's disease is the most common cause of dementia, accounting for 60-80% of cases. In other words, dementia is a syndrome that can be caused by many different diseases and conditions, with Alzheimer's being the most prevalent. So, in this case, Alzheimer's disease is a specific type of dementia that can be a cause of cognitive decline.