The relative fat mass (RFM) index may replace the body mass index (BMI) as the new standard for determining healthy weight.
Photo illustration: Dan Saelinger Methane-producing bacteria. Mutating genes. Hunger-inducing hormones. Understanding the myriad microscopic factors inside our bodies that contribute to weight gain and obesity could help curb the epidemic—and tip the scale toward improved disease prevention. In the clinic’s Read On
Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.