Why do antidepressants create bulk gain?

does prozac?Why do antidepressants create bulk gain?
Every one is affected differently. They motivation chemical changes contained by brain, which in turn affect the metabolism.
I don't dream up it is the pills that cause the counterweight gain.
For me the anti-depressants caused better moods and emotional state, and so I felt approaching eating for the first time within months so I gained counterweight.
But the depression had made me lose counterbalance, so not all fruitless.