GPT and liver disorder: In this study, 1H-MRS was performed on 2349 subjects, of which 345 were considered healthy based on the following criteria: no history of liver disease or risk factors for hepatic steatosis (alcohol consumption ≤30 g/day in men, ≤20 g/day in women, body mass index (BMI) <25 kg/m2, normal fasting serum glucose, non-diabetic and normal serum alanine aminotransferase (ALT) (≤30 IU/L in men, ≤19 IU/L in women)).