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Description
This article explores how nicotine affects the brain and body, its role in addiction, and why its so hard to quit
The human nose is highly sensitive to most of these compounds, so we detect them more than other odors

Its tough, I know, he said

A flavor user shall be required to make such a written certification only where he adds to or combines another flavor with a flavor which has been certified by a flavor supplier as containing no artificial flavor, but otherwise such user may rely upon the supplier's certification and need make no separate certification

No such classification exists for e liquids as the substance is heated, not burnt, to produce a flavour-filled vapour that may be inhaled
