Study shows BMI’s weakness as a predictor of future health

A new University of Florida Health study shows that body mass index, or BMI — commonly used to measure obesity and health risk — fails in predicting the risk of future death, suggesting the calculation is deeply flawed.

The study concludes that a direct measure of body fat using a relatively inexpensive device that notes the resistance of body tissue to a small electrical current is far more accurate.

This method, bioelectrical impedance analysis, is increasingly found in medical practices.

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