In a new study, e-liquids are linked to certain lung inflammation
E-liquids, particularly glycerin and propylene glycol, may cause mild lung irritation, according to a recent study. More research is needed to determine how much inflammation may occur over a long period of time. Although the extent of the changes was tiny, the study found that even in those who had never smoked, use of e-cigarettes two times daily for a month was related with changes in inflammatory cell counts in