| Outcome Measures: |
Primary: The difference of liver fat content (magnetic resonance imaging proton density fat fraction,MRI-PDFF)) between the subjects and the control group., 24 weeks | Secondary: The changes of liver enzymes (ALT)., 24 weeks|The changes of liver enzymes (AST)., 24 weeks|The changes of liver enzymes(GGT)., 24 weeks|The changes of hepatic fibrosis indexes(glutathione reductase)., 24 weeks|The changes of hepatic fibrosis indexes(total bile acid)., 24 weeks|The changes of hepatic fibrosis indexes(fibronectin)., 24 weeks|The changes of hepatic fibrosis indexes(N-terminal brain of type I procollagen.)., 24 weeks|The changes of hepatic fibrosis indexes(hyaluronic acid)., 24 weeks|The changes of hepatic fibrosis indexes(laminin)., 24 weeks|The changes of hepatic fibrosis indexes(type IV collagen)., 24 weeks|The changes of hepatic fibrosis indexes(glycocholic acid.)., 24 weeks|Changes of visceral fat volume., 24 weeks|Changes of subcutaneous fat volume., 24 weeks|Changes of fasting blood glucose., 24 weeks|Changes of fasting insulin., 24 weeks|Changes of HbA1c., 24 weeks|Changes of (HOMA-R)., 24 weeks|Blood lipid index(TC)., 24 weeks|Blood lipid index(TG)., 24 weeks|Blood lipid index(HDL-C)., 24 weeks|Blood lipid index(LDL-C)., 24 weeks|Changes of body weight., 24 weeks|Changes of BMI., 24 weeks|Changes of waist circumference., 24 weeks|Changes of hip circumference., 24 weeks|Changes of WHR., 24 weeks
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