NBC:
According to a California study, lung cancer rates are dropping for every group except nonsmoking Asian American women — for whom they’re actually increasing by 2% per year.
While lung cancer is traditionally associated with cigarettes, as many as 20% of U.S. cases happen in never-smokers every year. Among Asian American women who have lung cancer, more than 50% have never smoked. And for Chinese and Indian American women who have lung cancer, the nonsmoking percentage rises to 80% to 90%.
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感觉和饮食习惯有关,亚洲人做饭一般都要开火,而女性在文化中又是负责做饭的,所以风险会高不少。