1. Epidemiology -- 2. The causes of disease -- 3. The genetic basis of disease -- 4. The cellular basis of disease -- 5. Environment and health -- 6. Infectious diseases -- 7. Diet and disease -- 8. The biological basis of ageing -- 9. The impact of ageing -- 10. Principles of screening -- 11. Cohort screening and surveillance -- 12. Screening for coronary heart disease and stroke risk factors -- 13. Understanding cancer -- 14. Lung cancer -- 15. Breast cancer -- 16. Cervical cancer -- 17. Colorectal cancer -- 18. Prostate cancer -- 19. Peptic ulcers and gastric cancer -- 20. Atherosclerosis and coronary heart disease -- 21. Cystic fibrosis -- 22. Osteoporosis -- 23. Diabetes mellitus -- 24. Asthma -- 25. AIDS -- 26. Alzheimer's disease -- 27. Parkinson's disease