10 Tips and Advices to Prevent Diabetes Complications The danger of diabetes lies in the complications that would potentially occur afterwards. Once a person is diagnosed as a diabetic, his or her immunity starts to decline, and he’d be exposed to various types of other diseases that bring him pain, increase his need for special care, and might lead him to visit a hospital from time to time. However, there’s no need to worry. Here are a few pieces of advice that you can simply follow to decrease the chances of being affected by diabetes complications.