Inject insulin for a long time, is side effect big?

Insulin injections are much smaller than the various medications side effects, because the material we human body was able to secrete insulin, it is not toxic, there is no dependency, and insulin injections are general because the deficiency in insulin secretion was injected to the body, it will remove the islet cells, allowing it to repair and protect can help us control the condition.

But it still has certain side effects, which is the bad handle, less if the substance is injected insulin to control blood sugar, and if more injection will lead to our hypoglycemia cause the occurrence of low blood sugar, if often an overdose, the presence of the body repeatedly hypoglycemia of harm to the body actually far more serious than the long-term high blood sugar.