is it legal to smoke cigarettes in public in california Smoking Age Law and Adult Rights at 18 Public Smoking in Santa Monica

So we probably need a few more studies (and perhaps from some different sources) before we can categorically say if vaping stains your teeth or not

Poorly designed and constructed vapes As with all batteries, an e-cig or mod vape battery is limited in the power it can safely draw from the device and the temperature it can withstand

"Fetal alcohol syndrome: the origins of a moral panic"

If yes, then it could be a result of multiple issues

The most straightforward way of ensuring this is to hold the unburnt end of the cigar gently to the cigarette tray background until it is out, with the glow or ember extinguished

A Tale of Two Studies Two reports