SECTION 1 - INTRODUCTION 1. What is cancer? SECTION 2 - AN OUTLINE OF CAUSES OF CANCER 2. Congenital and inherited causes 3. Acquired causes of cancer 4. Genetic factors. Oncogenes 5. Cancer incidence SECTION 3 - LIFESTYLE PRACTICES TO AVOID, TO CHANGE OR TO ADOPT 6. The seven S's of cancer prevention SECTION 4 - SPECIFIC CANCERS 7. Practical individual measures to reduce risk 8. Conclusions ADDENDUM Clinical trials