Healthy and Alzheimer's brains. Computer illustration comparing a healthy neuron (nerve cell) and brain (top) with ones affected by Alzheimer's disease (bottom). Alzheimer's is caused by neuron and synapse degeneration and the formation of protein plaques (blue, bottom centre) in the brain. This abnormal loss leads to atrophy (wasting) of the affected areas (bottom right). Symptoms include memory loss, personality changes and confusion.
June 30th, 2016
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