References Nguyen HM, Torres JA, Agrawal S, Agrawal A. Nicotine Impairs the Response of Lung Epithelial Cells to IL-22. Mediators Inflamm. 2020 Feb 29;2020:6705428. doi: 10.1155/2020/6705428. PMID: 32189996; PMCID: PMC7066416. Thirión-Romero I, Pérez-Padilla R, Zabert G, Barrientos-Gutiérrez I. RESPIRATORY IMPACT OF ELECTRONIC CIGARETTES AND "LOW-RISK" TOBACCO. Rev Invest Clin. 2019;71(1):17-27. doi: 10.24875/RIC.18002616. PMID: 30810544. Chun LF, Moazed F, Calfee CS, Matthay MA, Gotts JE. Pulmonary toxicity of e-cigarettes. Am J Physiol Lung Cell Mol Physiol. 2017 Aug 1;313(2):L193-L206. doi: 10.1152/ajplung.00071.2017. Epub 2017 May 18. PMID: 28522559; PMCID: PMC5582932. Benowitz NL. Pharmacology of nicotine: addiction, smoking-induced disease, and therapeutics. Annu Rev Pharmacol Toxicol. 2009;49:57-71. doi: 10.1146/annurev.pharmtox.48.113006.094742. PMID: 18834313; PMCID: PMC2946180. Alexander LEC, Bellinghausen AL, Eakin MN. What are the mechanisms underlying vaping-induced lung injury? J Clin Invest. 2020 Jun 1;130(6):2754-2756. doi: 10.1172/JCI138644. PMID: 32391805; PMCID: PMC7260008. Kim EA. Particulate Matter (Fine Particle) and Urologic Diseases. Int Neurourol J. 2017 Sep;21(3):155-162. doi: 10.5213/inj.1734954.477. Epub 2017 Sep 12. PMID: 28954465; PMCID: PMC5636961. Jakubovic BD, Donovan A, Webster PM, Shear NH. Methotrexate-induced pulmonary toxicity. Can Respir J. 2013 May-Jun;20(3):153-5. doi: 10.1155/2013/527912. PMID: 23762881; PMCID: PMC3814259.