What is the purpose of the body mass index?

to judge whether you are at a healthful weight for your height
to calculate the weight and density of your bone structure
to measure your muscle mass
to measure your percentage of body fat

Question

What is the purpose of the body mass index?

to judge whether you are at a healthful weight for your height
 to calculate the weight and density of your bone structure
 to measure your muscle mass
 to measure your percentage of body fat

Shadow · Answer

The purpose of the body mass index is to judge whether if you are at a healthy weight for your height or not.