Nonalcoholic Fatty Liver (NAFL): Overview.- Role of Leptin in Pathogenesis of NASH.- Zone 3 Predominance of Histopathological Features in Nonalcoholic Steatohepatitis.- Genetic Background of Japanese Patients with Nonalcoholic Steatohepatitis (NASH).- Predictors of Nonalcoholic Steatohepatitis in Japanese Patients: Thioredoxin and NASH.- Clinical Features of Patients with Nonalcoholic Fatty Liver Disease.- Pathogenesis and Significance of Restricted Diet and Exercise Therapy in Nonalcoholic Steatohepatitis (NASH).- Mammalian Target of Rapamycin (mTOR).- Effect of Oral Supplementation with Branched-Chain Amino Acids on Albumin Concentration in the Early Stage of Cirrhosis.- Nutritional Therapy in Patients with Liver Cirrhosis.