littering cigarettes Cigarette Litter Prevention Program pressure sensitive adhesive forms a long 5 Ways Cigarette Butts Hurt
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(2009, April)

5 Mechanisms of lung damage in adolescent E-cigarette users Multiple mechanistic pathways underline the pulmonary damage observed in youth who vape, involving oxidative injury, inflammatory signaling, cellular toxicity, immune dysfunction, and interference with normal lung development (51)

Medical science, of course, is silent on the subject of advertising and its influence, but social science and common sense are at best divided and, in one study at least, suggest that banning advertising actually increases teen smoking
Their advice to smokers was give up, or switch to a pipe or cigars

The FDA has been seeking to regulate e-cigarettes for the last several years, but legislation has not kept up with the speed of technological advancement