Though determining the exact prevalence of purposeful insulin omission for weight loss is difficult due to the self-report nature of assessment, being between 13 and 17 years old, having a diagnosis of overweight or obesity, and engaging in calorie counting are reported to be the strongest known associations for eating disorders in a T1D population according to published literature [15]. Here, INS is linked to obesity due to melanocortin 4 receptor deficiency.