Heart disease, stroke, blindness, kidney failure and foot amputations. Diabetes complications can be very difficult for people living with this condition, and are a major challenge for society and the health system. In diabetes care, information is power; the power to control blood sugar. Controlling blood sugar levels is essential in order to reduce the risk of both severe short and long-term consequences. But most people with diabetes fail to meet their target. Faster, on-the-spot blood sugar tests can help.