. . . "The gliadin protein, digested down to 5 tetra- and pentapeptide ???exorphin??? (exogenous morphine-like compounds) units, binds to the opiate receptors of the human brain and stimulates appetite. (Those nice people in the Wheat Lobby argue that other foods, such as dairy products and spinach, also have opiates; this is technically true, but the binding affinity of these compounds is so low???10% o" . .