This book presents and discusses current research in the study of cancer prevention. Topics discussed include the etiological models of prostate cancer; in vitro evidence of Kaposi's sarcoma associated herpesvirus reactivation by corticosteroids; role of immunoregulators in nitric oxide production; a prooxidant mechanism of red wine polyphenols in chemoprevention of cancer; fas-resistance in adult t-cell leukaemia lymphoma and cancer prevention through nutrition education in the workplace.