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 ."

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