title: Should patients with chronic disease be told to gain weight? The obesity paradox and selection bias.
authors.affiliation: Center for Research on Population Health, National Institute of Public Health, Cuernavaca, Mexico; Department of Epidemiology, Harvard School of Public Health, Boston, Mass. Electronic address: mlajous@insp.mx.
authors.forename: Martín
authors.initials: M
authors.lastname: Lajous
authors.affiliation: Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec, Canada.
authors.forename: Hailey R
authors.initials: HR
authors.lastname: Banack
authors.affiliation: Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec, Canada.
authors.forename: Jay S
authors.initials: JS
authors.lastname: Kaufman
authors.affiliation: Department of Epidemiology, Harvard School of Public Health, Boston, Mass; Department of Biostatistics, Harvard School of Public Health, Boston, Mass; Harvard-MIT Division of Health Sciences and Technology, Boston, Mass.
authors.forename: Miguel A
authors.initials: MA
authors.lastname: Hernán
mesh_terms: D002318:Cardiovascular Diseases / Q000401:mortality; D002908:Chronic Disease / Q000401:mortality*; D003920:Diabetes Mellitus / Q000401:mortality; D006801:Humans; D009765:Obesity / Q000150:complications / Q000401:mortality; D064887:Observational Studies as Topic; D018579:Patient Selection; D016032:Randomized Controlled Trials as Topic; D012307:Risk Factors; D015983:Selection Bias; D013997:Time Factors; D015430:Weight Gain