Protective Effects of Exercise on Cognition and Brain Health in Older Adults Tyndall, Amanda V.; Clark, Cameron M.; Anderson, Todd J.; More Tyndall, Amanda V.; Clark, Cameron M.; Anderson, Todd J.; Hogan, David B.; Hill, Michael D.; Longman, R.S.; Poulin, Marc J. Less Exercise and Sport Sciences Reviews. 46(4):215-223, October 2018. Abstract Abstract In Brief In Brief Favorites PDF Get Content & Permissions Abstract: In Brief: The role of physical activity and the interplay between physiological biomarkers and psychological and lifestyle factors on cognitive aging.