一项最新研究显示,吸“二手烟”不仅威胁少年的身体健康,还可能影响他们的学习成绩。美国坦普尔大学的研究人员发现,在家吸“二手烟”的16～18岁学生,通过标准化考试的 A new study shows that smoking secondhand smoke not only threatens the health of adolescents, but also may affect their academic performance. Researchers at Temple University in the United States found that 16 to 18-year-old students who smoke at home smoking secondhand smoke pass standardized tests