Is overeating just as simple as too much desire? Musonius Rufus suggests that is the problem.
Five out of seven of the deadly sins are too much desire then. The other two are the extremeness of ego. Go figure.
Does it make any difference if it really is a desire issue? Then one must aim at reduction of the desire in general, rather than not eating. I do not know at this point. More exploring around in the world of the mind and desires.