3rd., Jones, R

In 2015, PHE declared that the current best estimate [shows] using e-cigarettes is around 95% safer than smoking.[ii] In 2018, PHE reiterated this claim, finding vaping is at least 95% less harmful than smoking.[iii] A 2016 report from the Tobacco Advisory Group of the Royal College of Physicians concluded that the hazards from e-cigarettes were unlikely to exceed 5% of the harm from smoking tobacco.[iv] In 2018, the National Academies of Sciences, Engineering, and Medicine released a report that found substantial evidence that completely switching from regular use of combustible cigarettes to e-cigarettes results in reduced short-term adverse health outcomes in several organ systems.[v] Most recently, in June 2019, the American Cancer Society (ACS) noted that e-cigarette use is likely to be significantly less harmful for adults than smoking regular cigarettes.[vi] The reduced harm of e-cigarettes is due to these products containing significantly less harmful ingredients than tobacco cigarettes

One of the biggest concerns with smoking and oral health is the increased risk of gum disease
I've got enough WW2 samples as well as complete issued packs (10 in 1), still in the VCI paper outer wrapper
Bupropion (Zyban or Wellbutrin), an antidepressant that has been shown to help smokers stop, possibly by activating the dopamine centers of the brain
Individuals using medicines, even over-the- counter kinds