There is no doubt that the prevention of diseases is an effective way to practice medicine on a large scale. Hence, a good understanding of the risk factors that can cause cancer and knowledge of how to prevent its onset will not only reduce the physical load, the suffering of patients and their families and costs to the cancer patient, but will also lend support to the health system by reducing costs associated with the high mortality and morbidity rates that are currently seen in relation to cancer. A further objective of this educational manual is to improve the communication between...