What Is Alzheimer's Disease, And How Does It Affect The Brain?

Samuel Gandy, M.D., Ph.D., Associate Director, Alzheimer's Disease Research Center, Mount Sinai Medical Center
May 4, 2009

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Question: What is Alzheimer's disease, and how does it affect the way the brain is supposed to work?

Samuel Gandy, M.D., Ph.D., Mount Sinai Medical Center

Answer: Alzheimer's disease is a progressive, degenerative disease of the brain. The most obvious symptom of Alzheimer's tends to be loss of the ability to form and retrieve new memories.

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But, in fact, as the disease progresses, all thought is lost and the disease is invariably fatal.

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