Dementia is the loss of thinking, remembering, reasoning, and behavioral abilities to such an extent that it interferes with a person’s daily life and activities. Alzheimer’s disease is the most common cause of dementia among older adults. Read NIA’s Alzheimer’s Disease Fact Sheet to learn the basics and get answers to common questions. Fact sheet topics include:
- How does Alzheimer’s disease affect the brain?
- Signs and symptoms of Alzheimer’s disease.
- Stages of Alzheimer’s disease.
- What causes Alzheimer’s disease?
- How is Alzheimer’s disease diagnosed?
- Participating in Alzheimer’s disease clinical trials.
- How is Alzheimer’s disease treated?
- Support for families and Alzheimer’s disease caregivers.
Learn more by reading NIA’s Alzheimer’s Disease Fact Sheet, available in both English and Spanish.
