The World Health Organization defines obesity and overweight as abnormal and excessive fat accumulation that presents a risk to health. The most commonly index used in classifying overweight or obesity in adults is the body mass index (BMI). This is weight in kilograms divided by the square of the height in meters (kg/m2). A BMI equal to or greater than 25 is classified overweight, and that which is equal to or greater than 30 is classified obese. Obesity usually results from consuming more calories than the quantity spent. When a person consumes more energy dense foods without an equivalent increase in energy expenditure (physical activity), weight gain follows. Also, a decrease in the amount of physical activity without a decrease in calories consumed will result in weight gain. Here are some interesting facts about obesity: 1. Obesity and being overweight in general predisposes a person to noncommunicable diseases like type 2 diabetes; cancers like endometrial, colon, kidney,...
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