Obesity in adults: a clinical practice guideline

Besity is a complex chronic disease in which abnormal or excess body fat (adiposity) impairs health, increases the risk of long-term medical complications and reduces lifespan. 1 Epidemiologic studies define obesity using the body mass index (BMI; weight/height 2 ), which can stratify obesity-related health risks at the population level. Obesity is operationally defined as a BMI exceeding 30 kg/m 2 and is subclassified into class 1 (30-34.9), class 2 (35-39.9) and class 3 ( 40). At the population level, health complications from excess body fat increase as BMI increases. At the individual level, complications occur because of excess adiposity, location and distribution of adiposity and many other factors,…

• EL
  Eli Lilly and Company
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  AstraZeneca
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  PepsiCo
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  Almond Board of California
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  Sunovion
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  Dairy Farmers of Canada
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  Nestlé Health Science
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  Valeant Pharmaceuticals International
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  Canadian Cardiovascular Society
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  Diabetes Canada
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  European Food Safety Authority
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  Glycemic Index Foundation
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  Loblaw Companies Limited
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  Physicians Committee for Responsible Medicine
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  Soy Nutrition Institute
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  Society for Endocrinology
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  European Foundation for the Study of Diabetes
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  University of Toronto
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  Novo Nordisk
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  International Nut and Dried Fruit Council
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  Bausch Health
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  International Sweeteners Association
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  Health Canada
• CI
  Canadian Institutes of Health Research
• OC
  Obesity Canada