Since the comments here seem to have taken a turn of "How to fix obesity"; for anyone reading this article who wants to lose weight I would strongly recommend The Hacker's Diet. Especially if you're a developer or in IT the book may appeal to you as it's written by an IT person who approached weight loss as a technical problem. I lost 70lb in 2 years thanks to this book. The fulltext can be found here:

https://www.fourmilab.ch/hackdiet/