Blood tests for Alzheimer’s may be coming to your doctor’s office. Here’s what to know

A doctor points to PET scan results that are part of a study on Alzheimer’s disease at Georgetown University Hospital, on Tuesday, May 19, 2015, in Washington. Credit: AP Photo/Evan Vucci, File New blood tests could help doctors diagnose Alzheimer’s disease faster and more accurately, researchers reported Sunday—but some appear to work far better than others. It’s tricky to tell if memory problems are caused by Alzheimer’s. That requires confirming one of the disease’s hallmark signs—buildup of a sticky protein called beta-amyloid—with a hard-to-get brain scan or uncomfortable spinal tap. Many patients instead are diagnosed based on symptoms and cognitive Read More