Considerations on dosimetry for in vitro assessment of e cigarette toxicity Respiratory Research Springer Nature Link Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Older users of e cigarettes at greater risk of respiratory illness, study suggests CUNY Graduate School of Public Health & Health Policy Can vaping damage your lungs? What we do (and don't) know Harvard Health E cigarette use alters respiration but does not impair lung function, according to new findings