The more severe form of diabetes is type 1, or insulin-dependent diabetes. It s sometimes called juvenile diabetes because type 1 diabetes usually develops in children and teenagers though it can develop at any age. So a person with type 1 treats the disease by taking insulin injections. This outside source of insulin now serves as the key bringing glucose to the body s cells. The challenge with this treatment is that it s often not possible to know precisely how much insulin to take. The amount is based on many factors including: Food Exercise Stress Emotions and general health Balancing Act Type 1 diabetes is an autoimmune condition where the body attacks and destroys insulin producing cells meaning no insulin is produced. This causes glucose to quickly rise in the blood. Nobody knows exactly why this happens, but science tells us it’s got nothing to do with diet or lifestyle. About 10 per cent of people with diabetes have Type 1.