Anxiety can play a big role in your overall wellness when it comes to health-restricted diets. That being said, there are ways to manage both anxiety and health-restricted diets. Check out my Huffington Post piece on the topic to read more about strategies to cope with anxiety and restricted diets:
http://www.huffingtonpost.com/johanna-bond/nervous-in-the-kitchen-9-_b_7707976.html