Protecting aging brains
description: Doctors are testing a prostate cancer drug which may help people suffering from Alzheimer's. NBC's Helen Chickering reports.
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aging
aging
avian flu
avian flu
bird flu
bird flu
brains
brains
doctor
doctor
flu
flu
health care
health care
medical research
medical research
men's health
men's health
nbc's helen chickering
nbc's helen chickering
prostate cancer
prostate cancer
Protecting
Protecting
Women's health
Women's health
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