Plain and simple. Mercury is a antibiotic. With fillings it is continous.antibiotic. Kills all bacteria, in addtion to the good ones then obviously you get a overgrowth of candida. This causes the gut damage and gastrointestinal problems. In addtion it also opens the door for parasites. You can take parasites cleanses all the time, probiotics but your never taking care of the beginning cause which is your fillings.