Table of Contents; Introduction; What is Alzheimer's disease?; What happens when a person has Alzheimer's disease?; What are the signs of Alzheimer's disease?; Early signs; Later signs; Mild cognitive impairment; Differences between Alzheimer's disease and normal aging; When should you see your doctor?; What are other causes of memory problems?; Are there treatments for Alzheimer's disease?; What about research on Alzheimer's disease?; To find out more about clinical trials and studies; Is there help for caregivers?; Coping as a caregiver; Take care of yourself; Summary-What you need to know