Alzheimer's Disease

Frequently Asked Questions

11. Do we know what causes Alzheimer's disease?

Scientists do not yet fully understand what causes Alzheimer's disease. However, it is clear that Alzheimer's disease develops when a complex series of events in the brain gradually causes nerve cells in the brain to stop working and die.

Age is the most important known risk factor for Alzheimer's disease.

"How Alzheimer's Affects Neurons in the Brain" [1 min 48 sec]

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