At present, heart disease is a common problem. If you suffer from diabetes, heart problems beware! People with diabetes have double the risk of heart disease than those who do not have diabetes, but thankfully there are steps you can take to reduce your chances of developing complications. Diabetes alone is a risk factor for developing heart disease. Over time, high levels of blood sugar are damaging the blood vessels throughout the body, but especially the heart and brain. As a result, they increase the chances will suffer a heart attack or stroke. But if you control diabetes, heart disease risk will be low.