As far as alzheimer's researchers know, the primary cause of alzheimer's disease is:
a. dete...
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As far as alzheimer's researchers know, the primary cause of alzheimer's disease is:
a. deterioration of neurons that produce the neurotransmitter acetylcholine.
b. pruning or deterioration of unused neurons over the life span.
c. normal aging, although accelerated in some individuals.
d. a lack of education or stimulation earlier in life, compounded by obesity.
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