> I'm wondering if it is possible to inject some insulin into a person, then put him on the scales (denying him any food/drink) and observe the weight increase.

> I'm wondering if it is possible to inject some insulin into a person, then put him on the scales (denying him any food/drink) and observe the weight increase. Obviously that is not possible. This is not intellectually honest. It's not what he means, and you know it. Of course weight-gain comes from food, the problem is the relation between what you eat and what you store. If insulin or lack of can change the scales from 1:1 to 10:1, then it doesn't matter very much how much you eat any more, does it? Since you can realistically change only about 20-30% of both eaten food and burned calories. I'm not saying insulin does this (though it might very well) but for the sake of the discussion please don't fight the wrong idea.