The National Institutes of Health (NIH) is giving $33 million to Alzheimer's study that researchers hope will revive the amyloid hypothesis, or hold

Billions of dollars have been spent on clinical trials of Alzheimer’s drugs that target amyloid plaques—the hallmark protein tangles that clog brain cells in people with the memory-robbing disease. So far, all have failed, leading some frustrated researchers to say it’s time to move on to other drug targets. Others say the drugs have not yet been fairly tested because they were administered too late, after brain damage is irreversible. Yesterday, the National Institutes of Health (NIH) announced that it is giving $33 million to a study that researchers hope will either revive the amyloid hypothesis, or put it to bed.

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