But a study from dartmouth medical school suggests that some types of hpv may be a risk factor for squamous cell carcinoma .
达特茅斯医学院的一项研究表明,有些种类的hpv有可能引发鳞状细胞癌。
To test the antibody-chemical combination , researchers implanted tumours , squamous cell carcinoma , into the backs of mice . They were given the drug and exposed to near infrared light .
Study participants who used incense in their homes all day or throughout the day and night were 80 % more likely than non-users to develop squamous cell carcinoma of the entire respiratory tract .
Similarly , an inverse association was seenbetween intake of caffeine from all dietary sources - coffee , tea , cola andchocolate - and risk of basal cell carcinoma .
同样,在所有含咖啡因的饮食咖啡、茶、可乐和巧克力中咖啡因的摄入量与基底细胞癌之间存在相反关系。
Over the study period , people who filled more than two prescriptions for aspirin , nsaids or cox-2 inhibitors had a 13 % lower risk of melanoma and a 15 % lower risk of squamous cell carcinoma than those who filled fewer prescriptions , the researchers found .