 If you are assigned to this group, you will be asked to exercise and to improve your diet to the best of your ability. In order to do this, you will receive 7 sets of print materials about diet, exercise, and other health information. These materials will be mailed every 6-7 weeks throughout the 1-year intervention period. After each mailing, you will be asked to complete a short survey 16 questions about the information you received and how useful it was for you. You will be asked to return the survey in a prepaid, addressed envelope that was sent with the materials. 