hello
here is some more information about bariatric surgery from the site, medindia.net,
http://www.medindia.net/surgicalprocedures/BariatricSurgery_about.asp
Bariatric surgery is derived from the Greek word "baros" meaning "weight"
These surgical procedures are major gastrointestinal operations that work on the principles-
1. To bypass most of the stomach to reduce the amount of food one can eat.
2. To rearrange the small intestine so as to reduce the calories the bodies can absorb.
There are several different types of bariatric weight loss procedures, and they are collectively called as 'bariatric surgery.