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.