Development of Obesity and Bariatric Surgery

Impacts of Bariatric Surgery on Obesity in China

This study focus on the cause of obesity and impacts of bariatric surgery on it.

Inclusion Criteria:

1. Body mass index ≥18 kg/m2
2. already received bariatric surgery or abdonimal surgery

Exclusion Criteria:

1. acute stroke or acute myocardial infarction in 6 months
2. autoimmune disease
3. long-term use of non-steroidal anti-inflammatory drugs, corticosteroids and immunosuppressive drugs
4. pregnancy
5. consists with other endocrine diseases
6. acute infection in2 weeks
7. cancer
8. use of antibiotics in 3 months
9. chronic digestive inflammations 9