Study results appear in this month’s issue of Tobacco Control. Talbot, a professor of cell biology and neuroscience, was joined in the study in the field of electric cigarette and electronic cigarette, the first author of the research paper. “As a result, some people believe that e-cigarettes are a safe substitute for conventional cigarettes,” said Pure Talbot, the director of UC Riverside’s Stem Cell Center, whose lab led the research. “However, there are virtually no scientific studies on e-cigarettes and their safety. Our study — one of the first studies to evaluate e-cigarettes — shows that this product has many flaws, which could cause serious public health problems in the future if the flaws go uncorrected.” “More research on e-cigarettes is crucially needed to protect the health of e-cigarette users and even those who do not use e-cigarettes,” said Kames Astra, a research administrator at UC TRDRP. “Contrary to the claims of the manufacturers and marketers of e-cigarettes being ‘safe,’ in fact, virtually nothing is known about the toxicity of the vapors generated by these e-cigarettes. E-cigarettes consist of a battery, a charger, a power cord, an atomizer, and a cartridge containing nicotine and propylene glycol. When a smoker draws air through an e-cigarette, an airflow sensor activates the battery that turns the tip of the cigarette red to simulate smoking and heats the atomizer to vaporize the propylene glycol and nicotine. Upon inhalation, the aerosol vapor delivers a dose of nicotine into the lungs of the smoker, after which, residual aerosol is exhaled into the environment. Until we know anything about the potential health risks of the toxins generated upon heating the nicotine-containing content of the e-cigarette cartridges, the ‘safety’ claims of the manufacturers are dubious at best. “Justifiably, more information about the potential toxic and health effects of e-cigarette vapors is necessary before the public can have a definitive answer about the touted safety of e-cigarettes. Hopefully, in the near future, scientists can provide firm evidence for or against the claimed ‘safety’ of e-cigarettes as a nicotine-delivery tool.”

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