Moreover, after exclusion of the study subjects with diabetes, the serum Hhip concentrations were 5.99 ± 4.86 ng/mL, 5.28 ± 3.91 ng/mL, and 4.1 ± 3.55 ng/mL in the normal-weight, overweight, and obese groups. This evidence concerns the gene HHIP and diabetes mellitus.