1. Government Statistical Service/NHS Digital.Statistics on Smoking. England: 2019. Richmond;2019.
2. United States Public Health Service.How tobacco smoke causes disease: the biology and behavioral basis for smoking‐attributable disease: a report of the Surgeon General: US Government Printing Office;2010.
3. Cigarette Smoking: A Dependence on High-Nicotine Boli
4. McNeillA. BroseL.S. CalderR. HitchmanS. HajekP. McRobbieH.E‐cigarettes: an evidence update.London:Public Health England;2015.
5. McNeillA. BroseL. S. CalderR. BauldL. RobsonD.Vaping in England: 2020 Evidence Update Summary.London UK;2020. Available at:https://www.gov.uk/government/publications/vaping-in-england-evidence-update-march-2020/vaping-in-england-2020-evidence-update