RT Journal A1 Marques-Vidal P, Paccaud F, Ravasco P T1 Underdiagnosed and undertreated: Obesity in the portuguese population JF Archives of Internal Medicine JO Archives of Internal Medicine YR 2011 FD September 12 VO 171 IS 16 SP 1511 OP 1512 DO 10.1001/archinternmed.2011.380 UL http://dx.doi.org/10.1001/archinternmed.2011.380 AB We read with interest the article by Post et al1 on diagnosis and management of overweight and obesity in the US population. We conducted a similar study on the diagnosis and treatment of obesity in the Portuguese population using self-reported data from the National Health Survey conducted between February 2005 and January 2006 (participation rate, 76%).2 Dietary intake and physical activity (in a subsample) were also assessed. Data were provided by the Portuguese National Institute of Statistics (http://www.ine.pt).