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A 2009 study linked beta-carotene, which is naturally found in carrots, squash, spinach, and other colorful vegetables, to an increased lung cancer risk in smoker。

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• 說了你別笑. very funny -2kidsMomCa- ♀ (297 bytes) () 03/12/2019 postreply 19:32:07

• 就是你这个。还有最权威癌症政府网站的总结https://www.cancer.gov/about-cancer/causes-p -shakuras2000- ♀ (0 bytes) () 03/14/2019 postreply 20:23:04