05/04/2015 03:06 pm ET Updated May 04, 2015

Do We All Have Alzheimer's Completely Wrong? This Man Says Yes

AFP via Getty Images

Throughout his career, Duke University neurology professor Allen Roses has challenged what for decades has been the prevailing orthodoxy in Alzheimer’s research: Namely, the “amyloid hypothesis,” which suggests that a protein called beta-amyloid clogs up the brain, killing neurons and causing the dementia associated with Alzheimer’s disease.

“Beta-amyloid is the result [of Alzheimer’s], rather than a cause,” he says.

Read more on Science Friday