Gareth, Hi, my name is Sue and my son Mathew has CAH non salt wasting.. I'm a little confused with some of the terms too. You are the first person I have come across on this board that has a son with non- salt wasting. How old is your son? Mathew is 2-1/2 and full of energy. Feel free to e-mail me any time. hope to here from you soon.sue