在癌症的发病原因中,人们不仅发现有毒物质、遗传、免疫功能及不良饮食卫生习惯与其密切相关,同时观察到个性特征和心理、社会因素对癌症的发生也有十分重要的影响。国外有人提出癌症患者为C型行为模式的概念,其心理特征为不善于宣泄和表达明显的焦虑、抑郁情绪,过分压制自己的负性情绪,尤其是竭力压抑原本应该发泄 In the cause of cancer, people not only find the toxic substances, genetic, immune function and poor diet and health habits are closely related to it, but also observe the personality characteristics and psychological and social factors have a very important impact on the occurrence of cancer. Some people abroad put forward the concept of cancer patients as C-type behavior patterns, their psychological characteristics are not good at catharsis and expression of obvious anxiety and depression, over-suppress their negative emotions, especially trying to suppress the original should vent