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April 24, 2013

Overweight, Obesity, and All-Cause Mortality

Author Affiliations

Letters Section Editor: Jody W. Zylke, MD, Senior Editor.

Author Affiliation: Department of Pharmacology, University of Costa Rica, San José (

JAMA. 2013;309(16):1680. doi:10.1001/jama.2013.3078

To the Editor: Dr Flegal and colleagues1 conducted a systematic review and meta-analysis to assess the relationship between all-cause mortality, overweight, and obesity. Although the authors concluded that grade 1 obesity was not associated with higher mortality, and overweight was associated with lower all-cause mortality, some aspects of the study must be considered to better understand these controversial findings.

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