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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.
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]
In a 2013 journal article, bioethicist Daniel Callahan argued for more stigma against fat people. “People don’t realize that they are obese or if they do realize it, it’s not enough to stir them to do anything about it,” he tells me. Shame helped him kick his cigarette habit, he argues, so it should work for obesity too.
Obesity and BMI An obese male with a body mass index of 53 kg/m 2: weight 182 kg (400 lb), height 185 cm (6 ft 1 in). Obesity classification is a ranking of obesity, the medical condition in which excess body fat has accumulated to the extent that it has an adverse effect on health. [1]
The portal hypothesis describes a possible mechanism for some of the health effects of obesity, particularly the metabolic syndrome. It says that obesity (especially visceral obesity) results in increased circulation of free fatty acids and thus, via Randle's effect , in insulin resistance .
Numerous large studies have demonstrated that eating ultraprocessed food has a positive dose-dependent relationship with both abdominal obesity and general obesity in both men and women. [27] Consuming a diet rich in unprocessed and minimally processed foods is linked with lower obesity risk and less chronic disease.
Obesity Reviews is a monthly peer-reviewed medical journal, established in 2000, which publishes reviews on all obesity-related disciplines. It is the official journal of the World Obesity Federation and published on their behalf by Wiley-Blackwell. The editor-in-chief is David A. York (Utah State University).
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 ...