Westlake Gut Microbiome Study

In the first phase of the study (also a pilot study), the investigators will create a longitudinal datasets from a students-based cohort in Westlake University. Information about demography, life style, diet, medical history, physical activity will be recorded, clinical examinations such as blood glucose, body composition and electroencephalogram will be examined, and biological samples including blood, saliva, urine and feces, will be collected. In the second phase, the investigators will expand to include eligible participants from at least 10 provinces of China, which are located at different regions. Similar to the procedures in phase 1 stage, information about demography, life style, diet, medical history, physical activity will be recorded, clinical examinations will be performed, and biological samples will be collected.