The term bariatrics was coined around 1965, from the Greek root bar- ("weight" as in barometer), suffix -iatr ("treatment," as in pediatrics), and suffix -ic ("pertaining to"). The field encompasses dieting, exercise and behavioral therapy approaches to weight loss, as well as pharmacotherapy and surgery. The term is also used in the medical field as somewhat of a euphemism to refer to people of larger sizes without regard to their participation in any treatment specific to weight loss, such as medical supply catalogs featuring larger hospital gowns and hospital beds referred to as "bariatric."
Overweight and obesity are rising medical problems. There are many detrimental health effects of obesity: Individuals with a BMI (Body Mass Index) exceeding a healthy range have a much greater risk of medical issues. These include heart disease, diabetes mellitus, many types of cancer, asthma, obstructive sleep apnea, and chronic musculoskeletal problems. There is also a focus on the correlation between obesity and mortality.
Overweight and obese people, including children, may find it difficult to lose weight on their own. It is common for dieters to have tried fad diets only to find that they gain weight, or return to their original weight, after ceasing the diet. Some improvement in patient psychological health is noted after bariatric surgery.
Methods of treatment
Although diet, exercise, behavior therapy and anti-obesity drugs are first-line treatment, medical therapy for severe obesity has limited short-term success and very poor long-term success. Weight loss surgery generally results in greater weight loss than conventional treatment, and leads to improvements in quality of life and obesity related diseases such as hypertension and diabetes mellitus. The combination of approaches used may be tailored to each patient. Bariatric treatments in youth must be considered with great caution and with other conditions that may not have to be considered in adults.
- Obesity, Childhood obesity
- Classification of obesity, Classification of childhood obesity
- Epidemiology of obesity, Epidemiology of childhood obesity
- Obesity and walking
- Social stigma of obesity
- Body fat percentage
- Selfish brain theory
- Steatosis (also called fatty change, fatty degeneration, or adipose degeneration)
- Subcutaneous fat
- Dictionary.com, based on Random House Unabridged Dictionary, Random House (2006):  Retrieved 15 April 2006
- WHO factsheet on obesity Archived May 18, 2006, at the Wayback Machine
- Clinical Guidelines on the Identification, Evaluation, and Treatment of Overweight and Obesity in Adults, The Evidence Report. NIH Publication NO. 98-4083, september 1998. NATIONAL INSTITUTES OF HEALTH National Heart, Lung, and Blood Institute in cooperation with The National Institute of Diabetes and Digestive and Kidney diseases. Archived June 12, 2006, at the Wayback Machine
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- VIDEO: How Bariatrics Has Changed Our Understanding of Type II Diabetes Daniel McKenna speaks at the University of Wisconsin School of Medicine and Public Health, 2008.
- MedLinePlus Portal on Weight Loss Surgery