According to the article: "UCR professor of cell biology Dr. Prue Talbot and her team discovered the chemicals used to refill electronic vapor cigarettes (e-cigarettes) may be more harmful than tobacco cigarettes. Her team discovered that electronic vapor requires a consumer to take deeper breaths which may potentially draw in harmful chemicals to fragile parts of the lungs, as opposed to a tobacco cigarette that burns on the other end, allowing the consumer less inhalation. “Our earlier studies with electronic cigarette refill fluids showed that some of these products were toxic to both mouse neural stem cells, (and) human embryonic stem cells as well as to adult lung cells,” she said in ."

If you need more vapor, get some e-liquid with more vegetable glycerin (VG) in it. The liquids that produce a ton of vapor usually contain a higher VG blend to bring out the vapor and reduce the sweetness. As a rule of thumb, the more VG, the more vapor and less taste. On the other side, the more PG in the e-juice, the more you taste the flavors, but the less vapor production you will have. I like my e-liquid mixed with 70% PG and 30% VG, but this is a personal preference.

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