For instance, a study conducted by Strawbridge et al. on a Swedish population concluded that GHR d3 allele carriers were less likely to develop T2DM.15 Additionally, the GHR d3 allele is associated with increased insulin sensitivity, reduced obesity, and other metabolic risk factors for T2DM in obese Chinese children.30 The gene discussed is GHR; the disease is obesity due to melanocortin 4 receptor deficiency.