In the past decade, nicotine–containing e-cigarettes have emerged as the most popular tobacco and nicotine delivery modality among adolescents and were introduced in the United States tobacco market in 2007, as a tobacco cessation tool. E-cigarettes have gained widespread popularity among adolescents and vaping has become pervasive among middle and high school students. [...] In an interview with HT Lifestyle, Dr Sanket Jain, Consultant Chest Physician - Pulmonologist at Masina Hospital in Mumbai, revealed, “E-liquid aerosols are associated with direct harm to respiratory epithelium, leading to altering of lung function, lung inflammation, decrease mucociliary clearance and lung histology.