When excess body fat has accumulated to such an extent that health may be negatively affected the person is said to be suffering from obesity. There are scientific guidelines which classify obesity. This classification helps to choose the various modalities of treatment available. The commonest parameter is body mass index. It is the ratio of weight in kilograms to square of height in meters. Now how do you calculate this? Suppose John’s weight is 80 Kilograms and his height is 1.6 meters. Then multiply 1.6 by 1.6 (this will give square of height in meters), we get 2.56. Now divide 80 by 2.56 (This is the ratio of weight in kilograms to square of height in meters). The answer is 31.25. So John’s BMI (body mass index) is 31.25. There is a difference between being overweight and obese.It is agreed upon that a combination of excessive calorie consumption and lack of exercise causes obesity but in a minority of cases genetic, medical, or psychiatric illness can be the cause. The easy availability of palatable diet, mechanization in industry and availability of transportation are attributed to rise of its prevalence. A person is said to be overweight when his body mass […]

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