Diabetes, a condition that causes the body's blood sugar levels to become too high, is categorised into two main types. Type 1 diabetes is an autoimmune condition where the pancreas produces no insulin, a hormone responsible for controlling glucose levels in the blood. Those diagnosed with type 1 diabetes require regular insulin shots. Type 2, often linked to being overweight, is where the pancreas doesn’t produce enough insulin, or cells in the body don’t react to insulin. Symptoms for diabetes include excessive thirst, frequent urination, tiredness, weight loss and blurred vision.