(Michael Dwyer / AP Images)

When you think of Alzheimer's, you think of plaque. For 30 years, clumps of these proteins have been suspected of causing the memory loss that comes with Alzheimer’s. But at least three new studies say those plaques might not be the driving force behind the disease. That could affect how we diagnose and treat it. Dr. Troy Rohn of Boise State University joins Idaho Matters to talk about this new theory. 

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