Obesity means having too much body fat. It is different from being overweight, which means weighing too much. Body weight is made up of the muscles, bone, fat, and body water. Both Obesity and overweight presupposes that a person’s weight is greater than what’s considered healthy for his or her height and age. Obesity occurs over time when a person eats more calories than they use. The balance between calories-in and calories-out differs for each person. Factors that might affect your weight include your genetic makeup, overeating, eating high-fat foods, and not being physically active.

Obesity can occur as result of certain physiological conditions that you may have, such as high blood pressure, heart disease, stroke, type 2 diabetes, high cholesterol and joint problems caused by extra weight. Others include gallstones and difficulty in breathing, including sleep apnea, in which you briefly stop breathing while you’re asleep. Obesity has reached epidemic proportions across the world. Over two-thirds of adults are overweight or obese, and one in three persons is obese. The prevalence of obesity in children has also increased considerably.

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