Spot on. And let's be honest even at the individual level - you know whether your BMI is "high" because you are a muscular jock or just an average joe that (ov

Spot on. And let's be honest even at the individual level - you know whether your BMI is "high" because you are a muscular jock or just an average joe that (over)eats the wrong things and is a couch potato (same probably applies to the ultra-lean runner types on the low side).