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The Alzheimer’s Association leads the way toward ending Alzheimer’s and all other dementia. Donate today so we can continue accelerating critical research and providing 24/7 support during this global emergency and beyond.
Alzheimer’s disease is a degenerative brain disease and the most common form of dementia. Dementia is not a specific disease. It's an overall term that describes a group of symptoms.
Your memory often changes as you grow older. But memory loss that disrupts daily life is not a typical part of aging.
Learn the Signs
Donate today so we can continue advancing research and providing free 24/7 support to those who depend on it.
See how the brain works and how Alzheimer's disease affects it.
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Take our free, online course Understanding Alzheimer's and Dementia to learn about stages, risk factors, treatments and more.
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Learn how Alzheimer's and dementia impacts individuals, caregivers and the nation.
While some risk factors can't be changed, emerging evidence suggests there may be other factors we can influence.
Dementia is an overall term that describes a group of symptoms associated with a decline in memory and thinking skills.
Alzheimer's is a type of dementia that causes problems with memory, thinking and behavior.
Learn what to expect when visiting a doctor for symptoms of Alzheimer's.
Alzheimer's disease typically progresses slowly in three general stages.
Read about the benefits of receiving an early diagnosis.
While there is no cure for Alzheimer’s or a way to slow its progression, there are treatments that may help symptoms.
What if we could diagnose Alzheimer's before symptoms started?
Take the Brain Tour