Mayo Clinic on Alzheimer's disease

Aging and dementia: Normal aging and Alzheimer's disease

How the brain works and what can go wrong

Understanding Alzheimer's disease: What is Alzheimer's disease?

What causes Alzheimer's disease?

Diagnosing Alzheimer's disease

Treating Alzheimer's disease: Treating the symptoms of Alzheimer's disease

New directions in Alzheimer's research

Quick guide for caregivers

Caregiving for Alzheimer's disease: Becoming a caregiver

Day-to-day care

Planning long-term care.