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Smoking is still by far the leading cause of cancer and cancer deaths, but there's been an increase in cancer deaths from obesity, poor diet, and drinking too much alcohol.
吸烟仍然是导致癌症和癌症死亡的主要原因，但由肥胖、不良饮食和饮酒过量导致的癌症死亡人数有所增加。
According to the American Cancer Society, 42 percent of cancer causes and 45 percent of deaths are caused by modifiable risk factors.
美国癌症协会认为，42%的致癌原因和45%的癌症死亡是由可变危险因素造成的。
癌症是美国第二大致死原因，但存活的人数却在上升。
In 2012, 69 percent of people diagnosed with cancer were still alive five years later.
2012年，确诊癌症的患者，五年存活率达到69%。
译文属可可英语原创，未经允许，不得转载。
