 How about the role that food allergies play in the thyroid? And we have some very good tests on that for food allergies. Now, you're not talking about anaphylactic types of reactions. That's an IgE blood test. But we're talking about other different types of sensitivities that are associated with that. And one of the best tests along those lines is called an ALCOT. And that gives us a very thorough picture of how the body's reacting and how to get that under control.