The longer your waistline...

Your waistline measurement is perhaps a more powerful marker for health risk than the currently popular BMI number. This is well reported and referenced in Joel Fuhrman's Blog: The longer your waistline.... Athletes are penalized in BMI scores, with the most muscular indexing as if they were obese. Skinny-fat people (those that are literally thin, but lack muscle tone) would register as healthy weight.