癌症的原因已经研究了很久,而且多年的研究并无找出不同的,或者惊人的结论。去年美国癌症协会 American Cancer Society (ACS) 公布了几大致因,和这些因素的致癌/致死的比重(百分比,以下简称癌/死%)是所有癌症分析的总结:
因素 癌/死%
吸烟 19/28.8
超体重 7.8/6.5
喝酒。 5.6/4
UV 射线。4.7/1.5
少活动 2.9/2.2
疏菜和水果摄入不足 1.9/2.7
HPV人类乳头状病毒感染 1.8/1.1
应该说,唯一比较新鲜的发现是超体重在致癌/死的比重中竟排到了第二位。过去,超体重的致癌因素只是一个讨论的话题。后来,这一因素被"炒"得越来越热,现在,竟然被权威人士 (ACS) 提升,不得不引起大家的重视。
超重对哪些癌症有影响呢?请看以下的百分比:
子宫癌:60.3
肝癌:33.9
乳腺癌:11.3
结肠癌:5.2
而超重的致癌危险性,女性比男性还要更高10.9% 比 4.8%。
以下是有关饮食因素对结肠癌的百分比重:
红肉 5.4
加工肉类 8.2
低纤维 10.3
低钙饮食 4.9
请读者注意:以上发表的并不是致癌的所有原因。比如说:大气污染,压力,遗传,等等。若对原文感兴趣,请阅读下面的参考资料:Islami F, et al. CA Cancer J Clin. 2017; doi: 10.3322/caac.21440
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)
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