Complex sentence: Given this conflicting information, excluding oats appears to be the only risk-free practice for celiac disease sufferers of all ages, however, medically approved guidelines exist for those with celiac disease who do wish to introduce oats into their diet.
Split into simpler sentences: Given this conflicting information, excluding oats appears to be the only risk-free practice for celiac disease sufferers of all ages. However, medically approved guidelines exist for those celiacs who do wish to introduce oats into their diet.