The yellow bile of your stomach...trys to protect your liver bladder spleem and kidneys. ....thus when the wheatgrass juice hit the bile it triggered your sysytem to extude the toxins that are abuntantly present....and as you guess have been collecting for many years. Most people purge only the first time....but radiation...barbituates...antibiotics...ect. can "collect in the bile SOME people purge more than one ocassion in the beginnning. Once is the average. Some people get sleepy and wonder where the energy stamia and focus are...others get diarrea....cleaning the downstairs area in a hurry. I always suggest a colon cleanse with the drinking of FRESH wheatgrass juice. Although wheatgrass juice will get you there....it does it over a PERIOD of time....colon cleanses are quick and efficiant....you will loose some weight anf feel better faster! Encrusted fesus is not good...toxiant! What state are you located in? People are drinkling MORE fresh wheatgrass juice these days ...if not to CURE a cronic desease....JUST TO IMPROVE THEIR.....energy, stamia and focus....get up earlier...PLUS the almost 100 minerals persona the senses of the body....giving people in the business world more positive feelings and reactions....They are noticed. Sex life improves...It is like STP for the Body! KEPP drinking it till you detox....Stay GREEN and BE Healthy!