Roswell study finds toxins in e-cigarette vapor

BUFFALO, N.Y. (WIVB) – According to research led by a doctor at Roswell Park, high-voltage electronic cigarettes may expose users to increased levels of toxic chemicals, including formaldehyde and acetaldehyde.

E-cigarettes heat a liquid solution comprised of nicotine, flavoring and other chemicals. Users then inhale the vapor.

Dr. Maciej Goniewicz examined chemicals in the vapor at various voltages and found that at a low voltage there were only traces of toxic chemicals. But at a higher voltage, formaldehyde and acetaldehyde increased.

Both are known to irritate nasal and lung tissues. Formaldehyde is a known carcinogen while acetaldehyde is considered a possible carcinogen to humans.

“These results suggest that some types of electronic cigarettes might expose their users to the same or even higher levels of carcinogenic formaldehyde than tobacco smoke,” says Dr. Goniewicz. “Users of high-voltage e-cigarettes need to be warned about this increased risk of harmful effects.”

He recommends further research to examine what factors impact toxicity, such as types of heating elements, flavorings, additives and product storage conditions.

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