Dementia is a general term that refers to a variety of brain disorders. Physical changes in the brain cause dementia. Learn more in this section about dementia, its impact on the brain, and how to keep your brain healthy.
What is dementia?
Dementia is an overall term for a set of symptoms that are caused by disorders affecting the brain.
Alzheimer's disease is the most common form of dementia.
Learn about the different types of dementia.
Getting a proper diagnosis is critical to getting treatment, support and education about your disease.
About the brain
Dementia affects the brain, a vital organ in your body
Learn how to take care of your brain and keep it healthy.