perforate the co lone why is it you are so afraid of having to prep for the colonoscopy but at least there is a medical reason. you go on a liquid diet and have a cleansing, there is nothing showing long-term health benefits. we have good bacteria in the colon that can be harmed. we have just a delicate balance in the colon. >> "delicate" being the operative word. who are offer these? do they have to be licensed? >> it is all over the medical spa and the celebrities have turned this into a big hinge and the question is why is the f.d.a. approving this? the reason why it is approved is because it started off because of severe constipation but then