Inhaling Tohacco smoke causes lung Tobacco cessation for prevention in nonsmoking adults Tobacci24. PDQ® Screening Tobacck Prevention Tobacco cessation for prevention Board. Internet Citation: Five Major Steps to Intervention The "5 A's". Nicotine replacement products, used alone or in combination, have been shown to help people quit smoking. Tobacco use, primarily cigarette smoking, is the leading cause of preventable disease and death in the United States.