Hope you as a family are doing your research into it,DN - I have a good friend with D1 and she quickly adjusted, going onto a controlled diet to shed 6 stone and even now, eight years on, she avoids puds and things like that, fruit ok for dessert........Each of us is different and I am sure your son will find his way through with the help of the medical support and, crucially, his family, as he may need the little hint here and there as it takes time to become familiar with what is kosher and what isn't....and in function ofhow is sugar levels respond