What I'm concerned about with a thread like this (especially from those who enthusiastically endorse this behavior because it is seemingly harmless for them) is that it will encourage this behavior for those who are desperate to try anything to lose weight. Believe me, this is not harmless at all. It can quickly get out of hand. See thread below as an example:

http://www.healthboards.com/boards/...hewing+spitting



Serre