Alzheimer's and Dementia
Worldwide, 55 million people are living with Alzheimer's and other dementias.
Alzheimer’s disease is a degenerative brain disease and the most common cause of dementia. Dementia is not a specific disease. It's an overall term that describes a group of symptoms.
Have Questions about Alzheimer's?
Take our free, online course Understanding Alzheimer's and Dementia to learn about stages, risk factors, treatments and more.
Know the 10 Signs
Your memory often changes as you grow older. But memory loss that disrupts daily life is not a typical part of aging.
Mild Cognitive Impairment (MCI)
Approximately 12-18% of people age 60 or older are living with MCI. People with MCI may go on to develop dementia, while others will not.
Understanding Alzheimer’s Disease & Dementia
Alzheimer's is the most common form of dementia, a general term for memory loss and other cognitive abilities serious enough to interfere with daily life.
Facts and Figures
Causes and Risk Factors for Alzheimer's Disease
What Is Dementia?
What is Alzheimer’s Disease?
What To Expect
Understand what to expect when visiting a doctor about symptoms, how Alzheimer’s disease progresses, and what resources are available.
How is Alzheimer's Disease Diagnosed?
Stages of Alzheimer's
Treatments for Alzheimer's
Research & Progress
This is a time of unprecedented promise in the race to end Alzheimer’s. As the world's largest nonprofit funder of Alzheimer's research, the Alzheimer’s Association is committed to accelerating the discovery of methods of treatment, prevention and, ultimately, a cure.
Our Commitment to Research
Treatments and Research
The first survivor of Alzheimer's is out there, but we won't get there without you.
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Learn how Alzheimer’s disease affects the brain.
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