What is a healthy body fat percentage? A Calabasas physician explains where the ranges come from, how they differ for men and women, and why how you measure it matters most.

You followed the protocol. You took the medication. You dealt with the side effects and stayed consistent. And the scale barely moved. Or you felt sick enough that you had to stop before the medication had a real chance to work. If that is your experience, there is something important you may not have been told before you started. Genetic variation plays a significant role in how well GLP-1 medications work and how severely patients experience side effects. For some patients,