一项大型研究结果显示，在英国，超重或肥胖逐渐成为致癌一大要因，而因吸烟致癌的病例数正在减少。英国癌症研究所（Cancer Research UK）发现，约有三分之一的癌症病例是可预防的。他们还发现由体重超标导致的癌症所占比率已从2011年的5.5%升至现在的6.3%；而因吸烟致癌的患者数有所下降。

 

The link between cancer and lifestyle, how much we eat, smoke and exercise is becoming even more stark¹. The latest data on cancer shows that in 2015, smoking was responsible for more than 54,000 cases of the disease. It remains² the most common cause of cancer despite a fall in the number of smokers³.

 

In contrast, the rise in obesity⁴, which is linked to 13 different cancers including breast, bowel⁵ and womb, means it is now the second biggest cause of the disease, affecting 22,000 people a year. Too much ultraviolet radiation from the sun or sunbeds, leading to skin cancer, is the third most common cause, with more than 13,000 cases.

 

Cancer Research UK says that while adopting a healthy lifestyle, stopping smoking, eating a good diet and exercising will not necessarily prevent cancer, it can greatly reduce the risk of developing the disease.

 

癌症与生活方式、食量、吸烟量和运动量之间的联系正变得愈发明显。有关癌症的最新数据显示，在2015年，因吸烟造成的癌症病例数量超过54,000个。尽管吸烟者数量有所下降，吸烟仍是最常见的致癌原因。

 

相反，肥胖人群的增加意味着在英国它现在是致癌的第二大原因，每年有22,000人因此患癌，此外，肥胖与乳腺癌、肠癌和子宫癌等13种癌症也有关。致癌的第三大根源是过多接触太阳光或日光浴床中的紫外线辐射而导致的皮肤癌，共有13,000起病例。

 

英国癌症研究所称，虽然养成健康的生活方式、戒烟、保持良好的饮食习惯和运动不一定会防癌，但这样做会大大降低患癌的风险。

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