'Surgery-free' stomach stapling under development

Washington University doctors are developing a "surgery-free" version, using specialized tools that snake down a patients throat to the stomach, which is then stapled into a small pouch. So far the procedure has only been done on two people in the U.S.

Researchers say this experimental version reduces the risk that comes with traditional surgery. Doctors say, if approved by federal health officials, the treatment could revolutionize weight loss surgery.

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