The Cause of Alzheimer’s Disease

The Cause of Alzheimer’s Disease Alzheimer's Disease is a progressive brain disease that gradually destroys memory and thinking skills. It is the most common cause of dementia. Alzheimer's Disease is also known as Dementia, Alzheimer's, or just AD. The cause of Alzheimer's Disease is still unknown but scientists believe it has to do with the accumulation of amyloid-beta peptide in the brain.