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I saw this article this morning:
http://www.sciencedaily.com/releases/2016/02/160204042240.htm
According to the article close to half of the people considered "overweight" by the BMI are in fact healthy by other more rigorous metrics, and about 30% of those with a "normal" BMI are unhealthy.
I would argue that like any other metric, BMI can be used as a tool by physicians to evaluate health, but that's because physicians are generally aware of it's limitations. The danger comes in when employers and insurance companies start applying it blindly.
http://www.sciencedaily.com/releases/2016/02/160204042240.htm
According to the article close to half of the people considered "overweight" by the BMI are in fact healthy by other more rigorous metrics, and about 30% of those with a "normal" BMI are unhealthy.
I would argue that like any other metric, BMI can be used as a tool by physicians to evaluate health, but that's because physicians are generally aware of it's limitations. The danger comes in when employers and insurance companies start applying it blindly.