As health care providers, we were probably taught at one point or another during our education that health is the absence of illness. And that a person's weight is a standard measurement of health. But the origin of BMI—body mass index— was never intended to link a person's weight with how healthy, or unhealthy, they are. In S4E5, pediatric nurse Isis joins Margaux and Harjit to discuss weight bias and the flaws of BMI.