[AstralStorm]

And all while we're ignoring the fact that many foods are engineered for increasing appetite and higher caloric content.

Or that there just might be an environmental issue as well. (Endocrine disruptors, perhaps?)

Otherwise, how the heck does one explain the obesity epidemic? It is not like most if any people choose to be fat. And no, amount of physical labor is still considerable.

It's very easy to individualize a systemic issue.