High Activity in Middle, Late Adulthood Reduces Dementia Risk 40% 조선일보Muscle protein linked to exercise opens new way to treat Alzheimer’s Medical XpressHere’s What Happens to Your Brain When You Take Just 3,000 Steps a Day, According to Harvard Research Inc.comDementia Risk Intertwined With Exercise at Two Life Stages MedPage TodayExperts reveal the ideal age to start exercising if you want to reduce your risk of dementia Gazeta Express