Add Yahoo as a preferred source to see more of our stories on Google. Is BMI the best way to assess weight and health? (Photo illustration: Jack Forbes/Yahoo Life; photos: Getty Images) (Photo: Getty ...

Roughly 200 years ago, a Belgian mathematician and statistician named Adolphe Quetelet, seeking to characterize “normal man,” observed that adults’ body weight in kilograms is roughly proportional to ...

Imagine a sales rep comes to your clinic office to pitch a new gadget to gauge your patients' health. They tell you that it's not nearly as good as the measures you already have. It performs even ...