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Diet plays an important role in the genesis of obesity. Personal choices, food advertising , social customs and cultural influences, as well as food availability and pricing all play a role in determining what and how much an individual eats.
Obesity prevention programs have been found to reduce the cost of treating obesity-related disease. However, the longer people live, the more medical costs they incur. Researchers, therefore, conclude that reducing obesity may improve the public's health, but it is unlikely to reduce overall health spending. [249]
A high protein diet relative to a low-fat or high-carbohydrate diet may increase thermogenesis and decrease appetite leading to weight reduction, [53] particularly 3-6 months into a diet when rapid weight loss is observed. [54] However, these advantages may be reduced later at 12–24 months into a diet during the slow weight loss phase. [54]
According to the Centers for Disease Control and Prevention, nearly 80 percent of adults and about one-third of children now meet the clinical definition of overweight or obese. More Americans live with “extreme obesity“ than with breast cancer, Parkinson’s, Alzheimer’s and HIV put together.
Obesity is a complex public health and policy problem because of its prevalence, costs, and health effects. [95] As such, managing it requires changes in the wider societal context and effort by communities, local authorities, and governments. [ 96 ]
Proponents believe such a diet may have health benefits; [153] critics consider the arguments to have no scientific basis. [154] Clean eating; Climatarian diet: A diet focused on reducing the carbon footprint of the consumed food, particularly through the consumption of locally sourced food and the avoidance of beef and lamb meat. [155]
Dieting is the practice of eating food in a regulated way to decrease, maintain, or increase body weight, or to prevent and treat diseases such as diabetes and obesity.As weight loss depends on calorie intake, different kinds of calorie-reduced diets, such as those emphasising particular macronutrients (low-fat, low-carbohydrate, etc.), have been shown to be no more effective than one another.
Obesity among various developed countries (as of 2003) A Western pattern diet is associated with an increased risk of obesity. [28] There is a positive correlation between a Western pattern diet and several plasma biomarkers that may be mediators of obesity, such as HDL cholesterol, high levels of fasting insulin, and leptin. [28]
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