doi: 10.1038/bjc.1994.138
References Michael Joseph Blaha, M.D., M.P.H., Johns Hopkins Medicine, "5 Vaping Facts You Need to Know" 5 Vaping Facts You Need to Know | Johns Hopkins Medicine, Corin, Calculators.org , "Analyzing the Health Risks of Vaping" Exploring The Serious Health Risks Associated Wtih Vaping E-cigarettes & THC (calculators.org), Harm Reduction Journal,18 September 2020, "Perception of the relative harm of electronic cigarettes compared to cigarettes amongst US adults from 2013 to 2016: analysis of the Population Assessment of Tobacco and Health (PATH) study data", Ellen A
Journal of the American Medical Women's Association
Gold fill and sterling silver chain is suggested for all those wanting a chain that will not tarnish or turn their skin green
However, this idea was a failure