While much less common than type 2 diabetes, type 1 diabetes has been growing in incidence over the years. Type 1 diabetes is usually discovered in childhood or adolescence.
Type 2 diabetes is far more prevalent than type 1 diabetes and has seen a dramatic increase recently. The increase suggests lifestyle factors such as obesity may lead to type 2 diabetes.
See a picture of glucagon, which is typically administered as an emergency diabetes treatment when a patient is suffering from symptoms of hypoglycemia -- confusion, seizures, or unconsciousness.