E-cigarettes and vaping started out as a more palatable aid to stop smoking than nicotine-laced chewing gum, hypnosis or sticking nicotine patches on your upper arms.

However, what began as a surrogate for smoking has since hatched its own entirely independent culture and identity, with vaping now very much mainstream. And while smoking tobacco was deliberately portrayed as a “nasty habit” to be discouraged, members of parliament in the UK are actively urging rules around e-cigarettes be relaxed, [...]