@ Wendy Mains-- I think I know why your child had to use his epi pen so many times in the ER/hospital. Hospitals are FILLED with corn-derived products. I am also corn-allergic. I found out the hard way, after a lifetime (I'm in my 50s!) of migraines, joint pains, spontaneous vomiting seemingly without a cause, I ended up at the big famous institution in Minnesota. The immunologist looked at the results of a basic saliva genetic test that I had purchased and had processed. He said I should...