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Study: E-cigarettes contain 10 times more carcinogens than cigarettes

Researchers in Japan found that some brands of electronic cigarettes contain up to 10 times more carcinogens than traditional tobacco cigarettes.

By Amy R. Connolly
Study: E-cigarettes contain 10 times more carcinogens than cigarettes
Some brands of electronic cigarettes contain up to 10 times more carcinogens than tobacco cigarettes, a new study revealed. Photo by Tibanna79/Shutterstock.

TOKYO, Nov. 29 (UPI) -- A study commissioned by Japan's Health Ministry found that some electronic cigarettes contain up to 10 times more cancer-causing agents than traditional tobacco cigarettes. Some brands were found to include formaldehyde and acetaldehyde.

The study is the latest blow to the e-cig industry, lauded by some as an alternative to tobacco to help smokers quit because the vapors reduce the craving for nicotine.

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E-cigarettes are electronic devices that heat liquid containing nicotine to produce vapor that is inhaled. Researchers at Japan's National Institute of Public Health found that some brands of e-cigs contain carcinogens in high levels, especially at high heat.

"Our panel of experts will now look into what possible effects those substances could have on the health of e-cigarette users," Hiroyuki Noda, of the health ministry's tobacco-free initiative, told the Guardian.

In August, the World Health Organization called for a ban on e-cigarettes indoors in public places and sales to minors because of possible health risks.

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