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Editor's Correspondence
Sep 10, 2012

Is Sitting Harmful to Health? It Is Too Early to Say

Author Affiliations

Author Affiliations: Department of Psychopharmacology, National Institute of Mental Health and Neurosciences, Bangalore, India (Dr Andrade); and Department of Psychiatry, Creighton University School of Medicine, Omaha, Nebraska (Dr Fernandes).

Arch Intern Med. 2012;172(16):1272-1273. doi:10.1001/archinternmed.2012.2539

Van der Ploeg et al1 analyzed prospectively collected data from a large population-based cohort and found that, regardless of age, sex, body mass index, self-rated health, level of physical activity, baseline cardiovascular disease and diabetes, and other confounders, longer hours of sitting were dose-dependently associated with greater risk of all-cause mortality across an average of 2.8 years of follow-up. They described mechanisms and cited previous literature to support a hypothesis that excessive sitting, independent of physical activity, is harmful to health.

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