Memory problems are typically one of the first signs of Alzheimer's disease. Learn about other common signs of mild, moderate, and severe Alzheimer's.

What is Alzheimer’s disease, what causes it, what are the symptoms, and how is it treated? Get answers to these questions and more in this NIA fact sheet.

Alzheimer’s disease is the mostly commonly diagnosed form of dementia in older adults. Learn more about the disease, including diagnosis and treatment, and find tips and resources for caregivers and …

What are the symptoms of Alzheimer’s disease? While the symptoms of Alzheimer’s vary, memory problems are typically one of the first signs of cognitive impairment related to the disease. Many …

Doctors can diagnose "possible Alzheimer's dementia," "probable Alzheimer's dementia," or some other problem causing memory complaints. Learn about the benefits of early diagnosis.

Alzheimer’s is a brain disorder that slowly destroys memory and thinking skills, and is the most common form of dementia. In most people with Alzheimer’s, symptoms first appear later in life. People with …

What are the signs and symptoms of dementia? Signs and symptoms of dementia result when once-healthy neurons (nerve cells) in the brain stop working, lose connections with other brain cells, and …

Doctors can diagnose "possible Alzheimer's dementia," "probable Alzheimer's dementia," or some other problem causing memory complaints. Learn about the benefits of early diagnosis.

Understand the possible causes of agitation and aggression related to Alzheimer's, and learn how to respond to troubling behavior.

What can you do to prevent Alzheimer’s disease? Read the latest evidence for promising prevention strategies, including physical activity, blood pressure control, and cognitive training.