Many vegans and raw foodists will FAIL and go back to eating meat or dairy foods. http://www.youtube.com/watch?v=8N0sPnjv3wM&list=HL1380126679 Watch “potential Dangers of Vegan & Raw Food Long Term Diets. Cleansing is not easy! Doing enemas regularly and sometimes daily, is an important part of becoming a vegan or raw foodists. Some videos are entitled, “Why I’m not vegan anymore” or “Why I am not vegan anymore” or “Why I can’t be vegan anymore”! Even vegetarians can falter and go back to eating meat. Yes, you can do long term damage if you get nutrient deficient. A nutrient deficiency can create cravings and cause you fail – fall off the wagon – and go back to eating meat. You also need to be somewhat spiritual to stay vegan. If not you may fail and go back to eating meat – beef, chicken or fish. Some people may go back to eating range fed dairy that’s not pasteurized.