Obesity concerns were used in tobacco advertising since the 1920s, and it's worth noting that the sugar industry copied tobacco's tactics to even greater success (to the point where they had people sympathetic to them on the board of the American Dental Association, while Big Tobacco had much more trouble getting their guys on similar medical boards)
Lets tackle this from a practical perspective
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This article by Andrew Lord explains more
Here at Vape Shop we want to break down all of the jargon thats synonymous with vaping and give you a gulf of information thats simple and easy to digest