Hi there. My son is turning 16 this month. He had an endoscopy and biopsy to confirm celiac. He went gluten-free and his pain never got any better. I think it got worse. Months went by. The pain started around 7th grade. He missed a lot of school in 8th grade, and a whole lot in 9th grade. He couldn't go to school in 10th grade. All along the gastroenterologist...