WHO曾推荐体重的分类,包括低体重和超重的分级,是以体重指数(BMI,体重/身高2)为基础的。作为相对体重的一种计量方法,它是消瘦和肥胖的合适指标,在许多人群中BMI和健康风险、死亡率直接相关。种族、文化背景、城市化程度、社会及经济情况、营养变迁以及遍及世界各地的亚洲移民也应考虑在内,造成了 WHO has recommended a classification of weight, including low and overweight grading, based on body mass index (BMI, weight / height 2). As a measure of relative weight, it is a suitable indicator of weight loss and obesity, and in many populations BMI is directly linked to health risks and mortality. Ethnicity, cultural background, urbanization, social and economic conditions, changes in nutrition and immigrant Asians throughout the world should also be taken into account