Surveys the fundamentals of how cancers develop, how they are treated, the role of genetics, and the role of lifestyle choices in cancer prevention. Meet three real people coping with different kinds of cancers and see how their lives are affected. Emphasizes that promising new treatments are being developed, but also that there is still much that needs to be learned. Engaging original animation clearly illustrates the process of how normal cells turn into cancer cells, how tumors develop, and how cancer cells metastasize to other parts of the body. Also presents the importance of early cancer screening and steps that take to reduce the risk of developing cancer.