There was a study on "gluten intolerance" (which unfortunately I deleted) where they did in fact control people's diets in a double-blind way, and check the val

There was a study on "gluten intolerance" (which unfortunately I deleted) where they did in fact control people's diets in a double-blind way, and check the validity of their symptoms. Maybe someone can find it, but even with all that rigor, it was somewhat inconclusive.