what does diabetes do
The two main types of diabetes are type 1 and type 2. In type 1 diabetes, the body doesn't make enough insulin. This causes the body's blood sugar level to rise. In type 2 diabetes, the body's cells don't use insulin properly (a condition called insulin resistance).At first, the body reacts by making more insulin.Over time, though, the body can't make enough insulin to control its blood sugar level.verview. People who have type 1 or type 2 diabetes can develop DHD. The higher a person's blood sugar level is, the higher his or her risk of DHD. Diabetes affects heart disease risk in three major ways.