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Alzheimer's disease is a progressive neurologic disorder that causes the brain to shrink (atrophy) and brain cells to die . It is a type of dementia that affects memory, thinking and behavior, eventually growing severe enough to interfere with daily tasks . It is the most common form of dementia among older people  and the cause of 60-70% of cases of dementia . Symptoms include mild memory loss which can lead to loss of ability to carry out simple tasks , as well as changes in behavior such as confusion or difficulty communicating. Treatment options are available but there is no cure for Alzheimer's disease at this time.
: What is Alzheimer's Disease? Symptoms & Causes | alz.org (https://www.alz.org/alzheimers-dementia/what-is-alzheimers) : Alzheimer's disease - Symptoms and causes - Mayo Clinic (https://www.mayoclinic.org/diseases-conditions/alzheimers-disease/symptoms-causes/syc-20350447) : Alzheimer's Association | Alzheimer's Disease & Dementia Help (https://www.alz.org/) : What is Alzheimer's Disease? | CDC (https://www.cdc.gov/aging/aginginfo/alzheimers.htm) : Alzheimer's Disease Fact Sheet | National Institute on Aging (https://www.nia.nih.gov/health/alzheimers-disease-fact-sheet) : What Is Alzheimer's Disease? | National Institute on Aging (https://www.nia.nih.gov/health/what-alzheimers-disease) : Alzheimer's disease - Wikipedia (https://en.wikipedia.org/wiki/Alzheimer%27s_disease) : Home | Alzheimer's Disease International (ADI) (https://www.alzint.org/) : Alzheimer's Disease | AD | MedlinePlus (https://medlineplus.gov/alzheimersdisease.html)
Alzheimer's disease is a progressive, degenerative disorder that affects the brain and results in impaired memory, thinking, and behavior. It is the most common form of dementia among older adults. Symptoms usually develop slowly and worsen over time, becoming severe enough to interfere with daily tasks. The cause of Alzheimer's disease is not fully understood but it is believed to involve a combination of genetic, lifestyle and environmental factors. Treatment typically involves medications to help manage symptoms as well as supportive care from family members or caregivers.