Most of us live in a society where we believe everything must be treated by pharmaceuticals. Every time we see a doctor, they jump into running blood work and x-rays, without asking us some basic, simple questions about our lifestyle that could direct them straight to the problem. Some people who go down this route can go years of not discovering why they don’t feel well. They struggle with chronic stomach pains and head pains, or alarming bouts of nausea, and yet every test comes back “normal” or “negative” for the condition being looked for. While it should be comforting to have doctors find nothing wrong with you, it isn’t when you know something feels very wrong. If this sounds like something you’ve experienced, you may be suffering from a food allergy and not even know it. Food allergies aren’t always as obvious as vomiting and rashes. Here are 15 surprising signs you have a food allergy.