Recognition of tobacco use as a health hazard has resulted in changes in how tobacco cessation is promoted and reduction of exposure to environmental tobacco smoke. Since the initial Surgeon General's report on the health risks of smoking, the prevalence of smoking among adults has decreased, and millions of smoking-related deaths have been prevented. However, many still find it extremely difficult to quit despite the well-known adverse effects of smoking. In addition, a substantial number of teens are addicted to smoking. Our faculty study effective cessation and prevention strategies.