For more than a decade, researchers in the field of obesity have debated the value of the BMI as the most common and convenient index for classifying the obese condition. The implications of using BMI are profound. The cut-off points of BMI of <18.5 kg/m 2 , 18.5–24.9 kg/m 2 , 25.0–29.9 kg/m 2 , 30.0–34.9 kg/m 2 , 35.0–39.9 kg/m 2 and 40.0+ kg/m 2 define categories usually referred to as underw...