Doctors caution everyone, especially seniors, to go slow when starting or getting back into an exercise routine; and before you begin, to consult with your healthcare provider. After all you want to get back into shape, and causing injury or harm to yourself is certain to delay or prevent this progress. Moreover, doctors reiterate that while individuals extremely out-of-shape will benefit the most from regular exercise, they are also more at risk for sudden heart problems resulting from such a workout. Dr. Martha Gulati, editor-in-chief of CardioSmart, the American College of Cardiology's patient education initiative, says it is important to "pace yourself, don't do too much too soon and make sure you give your body time to rest between workouts." One way to exercise safely is to pay attention to your heart rate. If you notice it is not coming down as your intensity decreases while resting or is beating irregularly, you need to stop. Dr. Gulati warns chest pains are n...