Physique mass index: why the tactic of defining weight problems could also be incorrect

  • Rafael Abuchaibe
  • BBC world news

photo credit, Getty Images

This is how a doctor’s appointment usually starts in 2022, but it can also be like this in 1972 or 1922. Most of the time, this basic information about our anatomy is fed into a mathematical formula to define what is called a body mass index ( BMI).

For over 40 years, the simple formula for establishing BMI, which consists of dividing a patient’s weight (in kilograms) by the square of their height (in meters), has helped doctors, insurance brokers and even gym instructors to classify people in one of four camps: underweight, normal, overweight and obese.

But despite the BMI’s simplicity and convenience as a measurement tool, a growing number of experts are questioning the index’s value as a diagnostic tool.

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