Overweight and obesity are defined as abnormal or excessive accumulation of body fat that represents a health risk. They are major risk factors for a number of chronic diseases, including diabetes, cardiovascular disease and cancer.
What is obesity?
Obesity is a chronic disease and the result of an excessive accumulation of fat in the body. Overweight occurs when the body absorbs more energy (calories) than it consumes for a long time. This excess of calories is then stored as fat. According to the National Institute of Health, a 20% increase in your "ideal body mass" is the threshold at which excess weight becomes a health risk.
This problem of obesity has become obvious in our society. Indeed, the prevalence of obesity has doubled in the last two decades in virtually all industrialized and developing countries.
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