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'Dangerous levels' of chemicals in e-cigarette flavours

By Staff Reporter

Published 11/11/2016

Smoking flavoured e-cigarettes can produce
Smoking flavoured e-cigarettes can produce "unacceptably dangerous" levels of formaldehyde and other carcinogenic compounds, according to a new study

Smoking flavoured e-cigarettes can produce "unacceptably dangerous" levels of formaldehyde and other carcinogenic compounds, according to a new study.

Researchers at the Desert Research Institute in Nevada found that toxic aldehydes formed when the flavoured liquid was rapidly heated to create vapour.

E-cigarettes are currently sold in thousands of different flavours, with some sweet varieties thought to be particularly appealing to children.

One of the scientists, Professor Andrey Khylstov, said: "How these flavouring compounds in e-cigarette liquids affect the chemical composition and toxicity of the vapour that e-cigarettes produce is practically unknown.

"Our results show that production of toxic aldehydes is exponentially dependent on the concentration of flavouring compounds."

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