As a layman, I understand the problem of rising obesity like this:
In the old times, humans could never get enough food, thus they would eat whatever they could get. This "program" is encoded in our genes.
At least in industrial countries, the ubiquity of energy-rich food makes some of us get obese, at least partial because we follow this old "program".
I hope I didn't get it too wrong. Now my question is this:
Would it be possible to somehow "rig" the human body to change the metabolism and make it fit to a rather sedentary lifestyle?
For example: Instead of storing surplus food / energy within the body, it could be excreted, thus keeping humans at their weight even when eating a lot more than they need.
Could this be possible? Which organs/hormones control the utilization of food within the human body and can they be influenced in such a way?