The study conducted by researchers at the Massachusetts General Hospital (MGH) Weight Center and Gastrointestinal Unit is the first controlled test of a new procedural approach to treating obesity.

• 这项研究由研究人员在麻省总医院（ MGH ）重量中心和胃肠段是第一个控制区，测试一个新的程序方法治疗肥胖症。