“High schoolers were asked in an anonymous survey what cell phone policies they would recommend middle schools adopt for cell phone access during class time. What do you think the percentage of high school respondents said students should not have access to their phones during class, i.e., p...
Even in severe asthma, the percentages of asthmatic smokers could reach or even exceed these of the general population [4]. The percentage of severe asthmatics that were using e-cigarettes (ECs) in the same study was 2% and was higher than in the general population in many countries [4]...