Scientists hunt for ways to stall Alzheimer's earlier

Tuesday, May 15, 2012 | 5:01 p.m. CDT; updated 5:18 p.m. CDT, Tuesday, May 15, 2012

WASHINGTON — Look for a fundamental shift in how scientists hunt ways to ward off the devastation of Alzheimer's disease — by testing possible therapies in people who don't yet show many symptoms, before too much of the brain is destroyed.

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