Some type-2 diabetics are able to keep their diabetes under control without diabetic medication. However, type-1 diabetics need insulin to survive. Since type 1 diabetes is an auto-immune disease which destroys the pancreas’ insulin producing cells it, it must be taken medically. Insulin cannot be taken in oral form because the digestive juices in your stomach and intestine will break it down before it is able to do its job. So, it has to be injected. There are several different ways that this is done:

A fine needle and syringe is the most common way that insulin is injected. It needs only to be injected into the skin to work.

An insulin pen is a fairly new instrument. The device looks like an ink pen, but it has a cartridge that is filled with insulin. The pen sprays the skin with insulin at high pressure so that the insulin …