The body mass index (BMI) has long been used in epidemiology, medicine, and nutritional sciences. But its value is increasingly being questioned, especially in obesity research, where body-composition measurements are proving to be far more relevant.
体重指数（BMI）一直在流行病学、医学和营养学领域有着广泛的应用。但其价值却越来越受到质疑，特别是在肥胖研究领域，身体成分测定正变得越来越重要。