Crayonz, I used to think like you before my son got sick. You won't believe how food can affect you. We spent thousands of dollars on Medical doctors and finally found some answers with alternative medicines and diet restrictions. They are finding kids who have Austim can change diets, removing Gluten and see very positive effects. Don't dismiss anything you intake to your body and reactions as "quack science." I can tell you first hand that it is very real.
Link on the subject