Question

According to WHO, how many categories of BMI are there? 
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Answer 1

Answer:

For comparison, BMI was also categorized into four groups according to the conventional WHO classification:10 underweight (<18.5 kg/m2), normal weight (18.5–24.9 kg/m2), overweight (25–29.9 kg/m2), and obese (≥30 kg/m2).

Answer 2

the answer is the the question