The next step is to evaluate the nutritional status by measuring different proportions of the body.<br><br>Body mass index (BMI) is calculated by this formula, and BMI is usually in the range of 18. 5 to 22 9 as shown in the table below.<br><br>The orphan ratio (WHR) is calculated according to this formula, and the World Health Organization has stipulated that this ratio should not exceed 1. 0 If it exceeds this ratio, it will increase the risk of obesity, type 2 diabetes and heart disease. This ratio is different between men and women, as shown in the table.<br><br>The best value of waist circumference can be calculated by this formula or compared by table. The average waist circumference of men is 83 cm, and that of women is 81 cm.
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