Myths and misinformation abound as to how to prevent cancer. While there is no way of saying for certain who will or will not get cancer, over the last 50 years medical scientists have learnt a great deal about its causes. Consultant oncologist Terry Priestman looks at factors which increase the likelihood of getting cancer, and what can be done to decrease the risk. All the common cancers, including breast, bowel, prostate, cervical, lung and skin, are discussed. Among the topics covered are: