Let me just post the whole article then - I really should have cited it as the source, doh! It's not the newest - but all the different aspects of WLS really resonated with me. It works on a deeper level than restriction, and they still don;t understand it totally. It was one of the articles I used to convince my husband about the surgery - remember he was negative and judgemental? But anything in the NY Times is gospel to him, LOL.
https://www.nytimes.com/2016/12/27/health/bariatric-surgery.html