How does your body lose weight? An obesity doctor explains why one size doesn't fit all in weight loss

For decades, people have been told that their weight problems can be solved by math: Calories in, calories out. If weight were a simple math equation, more people would likely have the weight they desire. But it is much more complicated.

source https://medicalxpress.com/news/2026-05-body-weight-obesity-doctor-size.html