The ‘key windows’ when exercise may matter most for brain health CTV NewsExercise in midlife linked with lower dementia risk CNNAlzheimer’s risk declines sharply with one daily lifestyle change, researchers say New York PostHow often do you work out? Scientists pinpoint crucial period of life for exercise that slashes dementia risk by 45% GB NewsThis huge 40-year study reveals the decade when exercise matters most for your brain Currently.com