電子菸會釋出致癌物質 - 看新聞學英文 - 學習教室 - udn文教職考
Electronic cigarettes appear to be safer than cigarettes for one simple reason: People don’t light up and smoke them. With the e-cigarettes, there is no burning tobacco to produce myriad new chemicals, including some 60 carcinogens. But new research sugge...