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Comment & Response
January 26, 2016

Physical Activity vs Health Education for Cognition in Sedentary Older Adults

Author Affiliations
  • 1Department of Physiology and Pharmacology, University of Calgary, Calgary, Alberta, Canada
  • 2Department of Psychiatry, Dalhousie University, Halifax, Nova Scotia, Canada
  • 3Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada
JAMA. 2016;315(4):415. doi:10.1001/jama.2015.16005

To the Editor Dr Sink and colleagues1 reported that a 24-month moderate-intensity physical activity program did not improve global or domain-specific cognitive function compared with a health education program in sedentary adults. We have concerns about their working definition of moderate-intensity physical activity, the implementation and monitoring of the intervention, and the intensity of the physical activity intervention.

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