Question

How does alzheimers /dementia affect the brain.
and how are they the same and different

Answer 1

Dementia is a decline in mental ability that interferes with daily life

Alzheimer a brain illness that cause brain changes

Answer 2

Alzheimer’s: neurons are injured and die throughout the brain
Dementia: damage interferes with the ability of brain cells to communicate with each other
Alzheimer's is the most common cause of dementia.
Alzheimer's is a specific disease Dementia is not.