The causes of diabetes are many. Type 1 diabetes is believed to be an autoimmune illness. When the cells in the pancreas of the body are attacked, the functioning of the pancreas which is primarily to secrete insulin is hindered. There are chances that type 1 diabetes maybe be genetic in nature even though the genetic causes for type 2 diabetes is more definite. Environmental factors too, such as viral infections that cannot be avoided may also cause one to suffer from type 1 diabetes. Racial factors also playa vital role in type 1 diabetes. People with Hispanic or European origins tend to suffer type 1 diabetes more than others. Those with Asian descent rarely suffer from this kind of diabetes. Also men have a slightly higher probability of suffering type 1 diabetes than women do.