Slow Walking May Be a Sign of Early Alzheimer’s

Good news for speed walkers. Many studies have shown that walking and other exercise helps protect the brain as we age. Now a new study finds that slow walking speed may be a sign of early Alzheimer’s disease. Researchers in France studied 128 people in their 70s who did not have dementia but were considered high risk because they had concerns about their memories. The participants had scans to measure amyloid plaques in their brains. (The buildup of these plaques …