DEAR ABBY: More than 10,000 baby boomers in the U.S. turn 65 every day, and enter the “age of risk” for Alzheimer’s disease. I have witnessed the devastating effects of this disease in my work as a neurologist, as a clinical researcher, and sadly, in my own family. The good news is that we are now starting prevention trials to try to stop memory loss before it begins! The A4 (Anti-Amyloid Treatment in Asymptomatic Alzheimer’s) Study is the first clinical trial designed for people who have the earliest signs of Alzheimer’s disease beginning in the brain, but don’t yet have any ...