Drug after drug after drug that targeted a brain compound called beta amyloid have failed over the years. “We are running out of excuses” for why beta-amyloid treatments aren’t working, said Zaven Khachaturian, editor-in-chief of the medical journal Alzheimer’s & Dementia. But drugmakers “keep trying, hoping that the path they are on is going to give blockbuster drugs.”

Read More at Kaiser Health News >