Alzheimer's disease (AD), also referred to simply as Alzheimer's, is a chronic neurodegenerative disease that usually starts slowly and worsens over time. It is the cause of 60–70% of cases of dementia.
Get the facts about Alzheimer's disease, the most common cause of dementia in older adults. Learn about symptoms, diagnosis, treatment, and caregiving.
Alzheimer's is the most common type of dementia. Symptoms include memory loss and cognitive decline. At first, symptoms are mild, but they become more severe over time.
Alzheimer's Association national site – information on Alzheimer's disease and dementia symptoms, diagnosis, stages, treatment, care and support resources.
Alzheimers is the most common form of dementia. A progressive disease beginning with mild memory loss possibly leading to loss of the ability to carry on a conversation and respond to the environment.
Alzheimer's information – learn about signs, symptoms, causes, diagnosis, risks and treatments and the difference between Alzheimer's disease and dementia.
Learn about Alzheimer's disease, the most common cause of dementia. Some of the symptoms of Alzheimer's disease are memory loss, problems performing familiar tasks, vision problems, and personality changes.
Read about the genetics of Alzheimer's disease and related research. A genetic mutation can cause early-onset Alzheimer's. Genetic variants influence disease risk.
Learn about Alzheimer's, including symptoms, stages of the disease, and treatment.
Alzheimer's Disease International (ADI) is the worldwide federation of Alzheimer associations, which support people with dementia and their families.