Although the role of diabetes in hepatic steatosis and in its progression to NASH still remains unclear [45], the NHANES-III reported that simple IR features, such as fasting insulin, Hb A1c, and C-peptide concentrations, as well as abdominal obesity markers were independently associated with ALT concentrations, the most sensitive indicator of liver cell integrity. Here, GSTM1 is linked to Abdominal obesity.