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BMI Categories BMI分类参考

The table below shows the standard BMI categories as defined by the World Health Organization (WHO).

下表显示世界卫生组织（WHO）定义的标准BMI类别。

BMI Range Category 类别 Health Risk 健康风险
Below 18.5 Underweight 体重过轻 Nutritional deficiency risk, weakened immune system
18.5 - 24.9 Normal Weight 正常体重 Lowest health risk — maintain healthy lifestyle
25.0 - 29.9 Overweight 超重 Increased risk for heart disease, diabetes, and hypertension
30.0 - 34.9 Obese Class I 肥胖I级 High risk for cardiovascular disease and metabolic syndrome
35.0 - 39.9 Obese Class II 肥胖II级 Very high risk — medical intervention recommended
40.0 and above Obese Class III 肥胖III级 Extremely high risk — immediate medical attention needed

Disclaimer 免责声明

BMI is a general screening tool and does not directly measure body fat. It may not be accurate for athletes, elderly individuals, pregnant women, or children. For a complete health assessment, please consult with our physicians.

BMI是一般筛查工具，不直接测量体脂。对于运动员、老年人、孕妇或儿童可能不够准确。如需完整的健康评估，请咨询我们的医生。