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Alzheimer’s drugs see setbacks

Yet scientists optimistic treatments will arise; question is whenYet scientists optimistic treatments will arise; question is when

By Karen Weintraub
Globe Correspondent / September 10, 2012
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This summer, two drugs under development for Alzheimer’s disease were declared failures, ruining the chances of finding a near-term fix for an illness that is ravaging the memories of more than 5 million Americans. But scientists and local executives say they’re still optimistic that drugs, some of which are already under development, eventually will treat Alzheimer’s effectively and even prevent it from attacking many of the 13 million people projected to have the fatal disease by 2050.

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