My primary symptom used to be EXTREME sensitivity to meds and herbs. 1,000x's sensitivity. Started at 13 years old. I'm 31 now. I've never really had any other major symptoms. For those that are also sensitive to meds... What is the ROOT disorder/cause that you have that I should test for? And what tests would get at the root cause of what disease/condition would cause this? I've been working with one of the top neurologist at a major medical center here. He has access to potentially order any test that exist. However, what test should I request him to order?