"Type 2 diabetes in normal-weight adults is an understudied representation of the metabolically obese normal-weight phenotype1 that has become increasingly common over time.2 It is not known whether the “obesity paradox” that has been observed in chronic diseases such as heart failure, chronic kidney disease, and hypertension extends to adults who are normal weight at the time of incident diabetes.3 5 In 2 contemporary studies, the Translating Research Into Action for Diabetes (TRIAD) study6 and the PROactive trial,7 participants ...."

 Carnethon MR, De Chavez PD, Biggs ML, et al. Association of Weight Status With Mortality in Adults With Incident Diabetes. JAMA. 2012;308(6):581-590.