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I wholeheartedly recommend "The hungry brain" [1] for a fascinating view on obesity, brain and genes. This is not to say that your post suggest that obesity is

• fullstop 5y ago
  Hey, thanks, I'll check it out! I'm not suggesting that obesity is primarily caused by people being lazy, and I'm glad that this point was clear. It's a touchy subject for a lot of people, and there are some medical legit conditions which can make weight loss extremely difficult. I know a few people who had extremely active life styles, and their diet matched accordingly. Because of injury or a change in career, they were suddenly no longer active but their diet did not change and their weight shot up very quickly, to the point where I didn't recognize one of them after not seeing them for a few years. Your intake has to match or be less than you expend. The tricky part is measuring this, and I know that I'm lucky that my body says "hey, you've eaten enough" and, for me, this changes based on how active I am. Not everyone has this feature.