HEALTH MINUTE: HOW NEW ALZHEIMER’S BLOOD TESTS WORK

Another Alzheimer’s blood test got the green light from the U.S. Food and Drug Administration this week. The manufacturers say it can help identify signs of the disease in people 55 and older who have cognitive decline. In today’s Health Minute, Mandy Gaither talks to a neurologist about how the newly approved test is different and why he says it will help make this type of testing more widely available.