Drug Trials Test Bold Plan to Slow Alzheimer’s - NYTimes.com

Drug Trials Test Bold Plan to Slow Alzheimer’s - NYTimes.com: "The disease is defined by freckles of barnacle-like piles of a protein fragment, amyloid beta, in the brain. So, the current thinking goes, if you block amyloid formation or get rid of amyloid accumulations — plaque — and if you start treatment before the disease is well under way, you might have a chance to alter its course."