"Analysis of indoor air quality during vaping sessions showed that e-cigarettes are not emission-free." This was the second time the authors used this phrasing to summarize their findings. Right now, that e-cigarettes are not emission free appears to be about the most alarming thing that can be said about them.

Why is it that youths who experiment with electronic cigarettes do not seem to be progressing on to cigarette smoking?

Although it’s really nice and professional looking to have a bunch of glass bottles, it was also very annoying as I had to transfer the flavorings from the glass vials via a syringe or pipette. I knew exactly wanted to make for my first E-Juice. Strawberry and banana seemed very simple at the time, but considering how many different banana and strawberry flavorings are out there as well as the combinations, it seemed very overwhelming.

(See: Dutra LM, Glantz SA. Electronic cigarettes and conventional cigarette use: a cross-sectional study. Published online March 6, 2014. JAMA Pediatr. doi:10.1001/jamapediatrics.2013.5488.)

4. Pharmaceutical-quality ingredients in e-liquids;

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