Can a Thin Person Get Type 2 Diabetes? Yes, a thin person can absolutely develop diabetes. Some people fall into a category called metabolically obese normal weight. This means they may have a healthy-looking body size, but internally their metabolism is unhealthy. A person with metabolically obese normal weight may have: Low muscle mass High visceral fat Fatty liver Poor i... https://www.freedomfromdiabetes.org/blog/post/hidden-truths-about-diabetes-in-thin-people/5238