Unfortunatly, most people are not in ideal situations health wise, and their kids are not going to do colon cleansing!
ALL diseases are there to eat the pollutants in the body, but unfortunately it's not so super easy to nourish a body which is full of parasites, most of the nutrition just gets wasted. Maybe a cold can be good in some cases, but it's very inconvenient for an entire family to get sick for weeks, several times a year. I disagree with your speculations about the Zapper magnetically pulling on the iron. Dr. Clark does not teach this at all! Also, I really don't see how the body gets piled up even worse. Your body will get rid of the dead parasites, though Water is certainly a good thing to help this occur!