Reuters - Early studies suggest an experimental Alzheimer's drug attacks free-floating bits of a protein called beta amyloid, a sign the drug may fight what some researchers consider to be the disease's chief culprit.
Source: http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/nm/20110311/hl_nm/us_alzheimers_drug
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