PUBLIC HEALTH & PREVENTIVE MEDICINE. Did you know that one in three people in Ireland will develop cancer during their lifetime? Or that in Ireland an average of 30,000 new cases of cancer are diagnosed each year? The number is expected to rise to over 40,000 per year by 2020. These are frightening statistics, but there are measures you can take to protect yourself and lessen your chances of developing this terrible disease. In this well-researched book, established author John McKenna turns his attention to how you can prevent cancer, exploring the pivotal role played by your environment, diet and stress levels, while also offering advice on avoiding specific cancers such as breast cancer and melanoma.