If you have diabetes, your risk of having a heart attack is increased. Keeping your blood sugar under control is especially important if you have diabetes. So is managing any other risk factors that may make it more likely that you will have a heart attack, such as being overweight.

This information is for educational use only, and is not a substitute for prompt professional medical advice. Readers should always consult a physician or other professional for advice and treatment. ©BMJ Publishing Group Limited 2008. All rights reserved.