| http://www.w3.org/ns/prov#value | - ican Medical Association, suggested BMI, a ratio of height to weight, should not be the only indicator of healthy weight.Dr Samuel Klein, the director of the Centre for Human Nutrition at Washington University School of Medicine in St Louis, said: ''Body mass index is an imperfect measure of the risk of mortality.''Such factors as blood pressure, cholesterol and blood sugar must be considered, he
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