Part 1 The prevention of cancers: spreading the message; the prevention of cancer - opportunities and challenges. Part 2 Current knowledge about cancer prevention: the cancer burden with special reference to Europe and the EC countries, radiation and cancer - overview and implications for prevention; the role of occupation in the causation of cancer and its prevention; diet and cancer - a sobering look; cancer prevention and the new biology. Part 3 Cancer education and the general public: health education in the community; primary prevention of cancers - the need for health education and intersectoral health promotion, education early about the prevention of cancers. Part 4 Educating health workers and health policy makers: the role of cancer education; practical policies for screening for early detection of cancers; educating business about cancer prevention. Part 5 The role of governments and supragovernmental organizations: cancer prevention and the European community; developing effective policy for the prevention of cancers.