Refs back up

References:

---

[1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2879177/
[1a] https://www.forbes.com/sites/sarabrittanysomerset/2018/12/23/marlboro-modernizes-its-method-of-peddling-death-to-kids/#21a666343d04 

[2] https://www.gov.uk/government/news/e-cigarettes-around-95-less-harmful-than-tobacco-estimates-landmark-review

[3] http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(15)00042-2/fulltext?rss=yes
[4] Editor’s insertion.  Unfortunately, we've all met a Jimmy Riddle or two:

The Activist

Knows his base

The Charity Worker

The Achiever

[5] https://www.churnmag.com/news/scientists-shocked-after-testing-ecig-vapor-in-the-lab/

[6] https://www.sciencedirect.com/science/article/pii/S0273230014002505#

[7] https://www.npr.org/sections/health-shots/2017/11/27/566014966/in-ads-tobacco-companies-admit-they-made-cigarettes-more-addictive
[8] https://www.theguardian.com/society/2017/may/08/e-cigarette-companies-fined-over-false-claims-about-toxic-chemicals  
[9] https://truthinitiative.org/news/new-report-tobacco-industry-spends-nearly-1-million-hour-marketing-tobacco-products
[10] https://www.vice.com/en_us/article/7xmdqb/vaping-scholarships-college-essay-contests-e-cigs-vgtrn
[11] https://www.choice.com.au/health-and-body/health-practitioners/prevention/articles/big-tobacco-covertly-campaigns-to-sway-vaping-laws-140717
[12] http://adage.com/article/media/big-tobacco-spending-ads-e-cigarettes/241993/
[13] https://www.hsph.harvard.edu/magazine/magazine_article/the-e-cig-quandary/
[13a] https://www.telegraph.co.uk/science/2018/08/17/mps-behind-controversial-e-cigarette-criticised-vaping-lobby/  
[14] https://www.nejm.org/doi/full/10.1056/NEJMc1413069
[15] https://www.independent.co.uk/news/science/e-cigarettes-popcorn-lung-diacetyl-dangerous-a6767841.html
[16] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4373571/
[17] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4018182/
[18] https://www.sciencedaily.com/releases/2018/08/180813190148.htm