Posted: May 8, 2012
Body Mass Index (BMI) is a weight to height ratio often used to figure out what a normal weigh for a person is for his or her particular height. It is used as a screening tool to identify possible weight problems in adults. Generally the formula for BMI is: Weight divided by Height multiplied by 703.
BMI can vary by sex, age, race, and athleticism. For instance, women tend to have a higher percentage of body fat than men and older people may have a higher body fat than those who are younger. Athletes tend to have higher BMI since muscle weighs more than fat.
Typically, a BMI of 16-18.4 indicates that one is underweight, 18.5-24.9 indicates the normal range, 25-29.9 is considered overweight, 30-39.9 is obese and anything over 40 would be morbidly obese.
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