Type 2 Diabetes. Diabetes is considered a lifestyle disease because it's not something you're born with, it's something you cause yourself, stress, not exercising enough, eating too much of the wrong foods, pregnancy or family history are the causes of this particular disease.2. Type 2 diabetes, or non-insulin-dependent diabetes, is the most common form of diabetes. It affects the respiratory system. In type 2 diabetes, either the body does not produce enough insulin or the cells neglect insulin. Insulin is needed by the body to be able to use sugar. Sugar is the main fuel for the body's cells, and insulin extracts sugar from the blood and transports it into cells. When glucose builds up in the blood instead of entering cells, it can cause two problems. First, your body's cells could lack energy or, for a period of time, your sugar levels could damage your eyes, kidneys, nerves or even your hearing. There are almost a million Australians over the age of 25 with diabetes - approximately 7.5% ...