A-Z Health Topics Index
Signs and Symptoms
Alzheimer's Disease Fact Sheet
Get the facts about Alzheimer’s disease, the most common cause of dementia in older adults. Learn about symptoms, diagnosis, treatment, and caregiving.
Alzheimer’s Disease in People with Down Syndrome
Many people with Down syndrome develop Alzheimer’s when they get older. Learn about memory changes and other symptoms and participating in research.
Understanding Alzheimer's Disease: What You Need to Know
Learn about Alzheimer's, a brain disease that causes memory loss and other symptoms. Find out when to see the doctor and what treatments are available.