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Alzheimer’s disease is a brain disorder that slowly destroys memory and thinking skills, and eventually, the ability to carry out the simplest tasks. The disease is the most common form of dementia among older adults. Symptoms include the loss of cognitive functioning — thinking, remembering, and reasoning — and the loss of behavioral abilities. Eventually, this loss of functioning ...
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.
In Alzheimer's disease, damage to the brain likely starts a decade or more before memory and other cognitive problems appear. Learn about the toxic changes occurring in the Alzheimer's brain.
Learn about Alzheimer's, a brain disease that causes memory loss and other cognitive impairment. It's the most common cause of dementia in older adults.
Alzheimer’s causes and risk factors. Scientists believe that a combination of genetic, lifestyle, and environmental factors influence when Alzheimer’s disease begins and how it progresses. Related topics: Alzheimer’s and dementia, Alzheimer’s symptoms and diagnosis, Alzheimer’s treatment, Alzheimer’s caregiving.
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.
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 people living with dementia. Related topics: Alzheimer’s causes and risk factors, Alzheimer’s symptoms and diagnosis, Alzheimer’s treatment ...
Genetic variations are one of several possible risk or protective factors for Alzheimer’s disease. Learn about genetic variations that are associated with Alzheimer’s, genetic testing, and research underway.
Identifying who may or may not develop Alzheimer’s is complex. Researchers continue to investigate biomarkers and other risk factors for the disease. Learn more about biomarkers that help diagnose Alzheimer’s or a related dementia. Scientists are still learning about what causes Alzheimer’s and what puts some people at higher risk than ...
Understand the possible causes of agitation and aggression related to Alzheimer's, and learn how to respond to troubling behavior.