Do you suffer from high blood pressure, irregular heartbeat, or chest pains? Do you get unexplained cramps or pains in your legs or back? Do you have trouble keeping your hands and feet warm? Has your doctor told you that you may be at risk for heart attack or stroke? If your answer is "yes", you may be surprised to learn that a deficiency of one simple mineral - magnesium - may be at the root of your problem. In Heart Healthy Magnesium, author James...