\n\n
不良生活习惯,不仅与肿瘤的发生有着重要关系,还会影响疾病进展和治疗效果。与之相应的,培养良好生活习惯,对于预防肿瘤的发生起着重要作用。对乳腺癌患者而言,改掉不良生活习惯也会对治疗产生影响。诸多良好生活习惯中,尤其重要的就是戒烟限酒。
\n\n吸烟与癌症之间的关系主要与烟草中包含的多种致癌物有关。多项试验发现,烟草中含有 60 多种具有致癌性的化合物,以及十余种与肿瘤发生有关的化合物,这其中就包括大名鼎鼎的尼古丁,以及氰化物、苯和甲醛等,还有木醇、氨和乙炔等有害物质。这些化合物不仅可能直接导致各种类型的癌症的发生,还可能造成已经患病人群体内的癌细胞增长。
\n\n吸烟与乳腺癌生存之间的关系已经得到众多研究证实。与不吸烟者相比,吸烟的乳腺癌患者死于乳腺癌的风险增加了一倍,死于乳腺癌以外原因的风险增加了三倍。吸烟者死于乳腺癌的风险还与吸烟的数量和持续时间有关。
\n\n值得注意的是,虽然中国女性主动吸烟率仅有 2.5%,但总体暴露于二手烟的比例高达 71.6%。有研究显示,被动吸烟与女性乳腺癌患者死亡有一定相关性,还会增加绝经后或肥胖的乳腺癌患者发生不良结局的风险。
\n\n健康专家说,通过改变吸烟方式、品牌或烟草类型,都无法有效降低癌症风险。这意味着任何形式吸烟的癌症风险都是一样的。至今还不是很清楚为什么有些人更容易发展成癌症。不过,对于打算戒烟的人来说有个好消息:一旦停止吸烟,癌症风险就会降低。
\n\n因此,医生建议乳腺癌患者尽量避免吸烟和被动吸烟(二手烟)。吸烟的乳腺癌患者应及早戒烟。
\n\n饮酒在我国有很悠久的历史。然而,酒精对人体的健康,尤其是乳腺癌患者的健康,有着不可忽视的影响。
\n\n对于已诊断为癌症者,饮酒会增加患第二原发癌(排除癌症转移的情况下,在原发癌症以外的器官发生癌症)的风险。酒精(乙醇)能够增加外周血中雌激素的浓度,理论上,饮酒还会增加乳腺癌复发的风险。因此,乳腺癌患者应避免饮酒。
\n\n正在接受治疗,特别是放疗、化疗和生物治疗者,更应避免饮酒。这些人的健康状况较易受酒精影响,即使是漱口液中的少量酒精,也可能导致口腔溃疡。
\n\n正因如此,在 2017 年发布的《中国乳腺癌患者生活方式指南》中明确推荐:乳腺癌患者应尽量避免吸烟、被动吸烟和摄入酒精,有吸烟和饮酒习惯的乳腺癌患者应及早戒烟戒酒。[1]
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