Incluye referencias bibliográficas

Key messages. Taking action to prevent cancer. Cancer risk factors. Planning step 1: Where are we now? How to assess risk factors. Use risk assessment to identify priorities for action to prevent cancer. Planning step 2: Where do we want to be? What works in prevention? Planning step 3: How do we get there? Appoint a focal point. Select core risk factors and core interventions. Control tobacco use. Promote a healthy diet and physical activity and the reduction of overweight and obesity. Reduce harmful alcohol use. Immunize against hepatitis B virus. Prepare to immunize against human papilloma virus. Reduce exposure to environmental carcinogens. Reduce exposure to occupational carcinogens. Reduce exposure to radiation.