Outlines potential contributions of psychology to address the cancer problem with the overriding principle to provide a stimulus for discussion and future programmatic research efforts. Provides general directions for behavioral and psychological research in regards to the understanding of cancer. These contributions span description, the study of mechanisms underlying psychological and behavioral responses, and efforts to reduce incidence, morbidity, and mortality. Research training and funding are also discussed in the context of research and development. A brief discussion of dissemination of psychological and behavioral findings is also included. (PsycInfo Database Record (c) 2020 APA, all rights reserved)