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Death rate from obesity, 2019. Obesity is a risk factor for many chronic physical and mental illnesses.. The health effects of being overweight but not obese are controversial, with some studies showing that the mortality rate for individuals who are classified as overweight (BMI 25.0 to 29.9) may actually be lower than for those with an ideal weight (BMI 18.5 to 24.9). [1]
Ileojejunal bypass, in which the digestive tract is rerouted to bypass the small intestine, was an experimental surgery designed as a remedy for morbid obesity. The effects of liposuction on obesity are less well determined. Some small studies show benefits [89] while others show none. [90]
Obesity is from the Latin obesitas, which means "stout, fat, or plump". Ēsus is the past participle of edere (to eat), with ob (over) added to it. [228] The Oxford English Dictionary documents its first usage in 1611 by Randle Cotgrave. [229]
Obesity has been observed throughout human history. Many early depictions of the human form in art and sculpture appear obese. [2] However, it was not until the 20th century that obesity became common — so much so that, in 1997, the World Health Organization (WHO) formally recognized obesity as a global epidemic [3] and estimated that the worldwide prevalence of obesity has nearly tripled ...
Obesity rates were twice as high in urban areas than in rural areas. [40] Obesity is culturally seen as a representation of beauty and success. A woman who is of a healthy weight is not as desirable (like in certain other Arabic nations). There is a lack of knowledge about the life-threatening medical conditions that result from obesity. [40]
Pathophysiology of obesity is the study of disordered physiological processes that cause, result from, or are otherwise associated with obesity. A number of possible pathophysiological mechanisms have been identified which may contribute in the development and maintenance of obesity.
Although diet, exercise, behavior therapy and anti-obesity drugs are first-line treatment, [14] medical therapy for severe obesity has limited short-term success and very poor long-term success. [15] Weight loss surgery generally results in greater weight loss than conventional treatment, and leads to improvements in quality of life and obesity ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 16 January 2025. Mental illness characterized by abnormal eating habits that adversely affect health Medical condition Eating disorder Specialty Psychiatry, clinical psychology Symptoms Abnormal eating habits that negatively affect physical or mental health Complications Anxiety disorders, depression ...