PMID: 34083039
Just breathing something on fire versus something thats just warmed up seems worse. (Seattle, ever use of cigarettes and marijuana) and other harmful chemicals: I would say smoking cigarettes [is more harmful] because of the chemicals and heavy metals that are in there. (Atlanta, ever use of cigarettes and current use of marijuana) However, those reporting dual use often described their risk perceptions of e-cigarettes within the context of other tobacco product use
Sleep disturbance, which is common in this age group, may not be increased by nondaily use, the authors wrote
Secondhand and thirdhand smoke: a review on chemical contents, exposure routes, and protective strategies Hossein Arfaeinia, Maryam Ghaemi, Anis Jahantigh, Farshid Soleimani, Hassan Hashemi Environmental Science and Pollution Research 2
brands are the highest in the study," Pirkle said in a statement