Yes, Xanax is known to stimulate the appetite. It is a benzodiazepine and most of them do.
Often. it only increases your metabolism enough to digest the added calories. But, it could very well increase your weight! Not appetite increase your metabolism if you are having light food but...
Well, it is illegal, but canibis might work.. You can increase your appetite by having sexual intercourse.
depends on the person, but most of the time, when people smoke, they get the "munchies" and eat everything
In some individuals, Xanax may cause the paradoxical reaction of increasing one's anxiety.
Both Marinol and Periactin have been used to increase appetite.