I am fairly new to all of this, and I apologize if my questions are redundant. I think I have had gluten-related symptoms, such as: abdominal pain, bloating, diarrhea in the early years followed by extreme constipation for last 5-10yrs, anemia, numerous vitamin deficiencies, migraines, joint pain, etc, since at least my early teens (now 39). For as long as...