Heres the thing about misinformation
The studys author, Qun Wu, told Yahoo Health earlier this year that e-cigarette liquids, whether they have nicotine or not, inhibit lungs innate immunity, which helps it defend itself against infections
Limitations still apply to both Karey et al
Many nevertheless believe there are risks involved with their largely unregulated use, including unknown long-term safety concerns, their possible impact on children and youth, increased nicotine addiction in the population at large, and the renormalization of a smoking culture
All said, this article looks at Philip Morris International (PMI)s top cigarette brands by market share