Inquiry concerning the effect of psychological processes on cancer dates back to antiquity, and it has always been controversial. Even today, the precise manner in which psychological response translates into a physiological one is not clearly understood. There are three recurrent themes in the literature relating psychological factors to cancer. They are: 1) past experiences, 2) a specific personality pattern, and 3) recent life events associated with loss. This article reviews the available literature and cites pertinent research.
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