5 Vaping Facts You Need to Know Johns Hopkins Medicine Written evidence submitted by We Vape consumer advocacy group PDF) Invalidity of an Oft Cited Estimate of the Relative Harms of Electronic Cigarettes Vaping Facts CLOSE Community Two e cigarettes are thrown away every second in the UK. What damage do they do? Euronews Keep calm and vape on: Britain embraces e cigarettes, US cautious The Straits Times