Second-hand vaping not without harms, study suggests

Chemicals in e-cigarette liquids may be the problem, US researchers warn

Exposure to second-hand nicotine vape at home is linked to a 40% increased risk of adverse respiratory symptoms in young adults, a US study shows.

The findings, published in Thorax, suggest that indirect exposure “should not be perceived as harmless”, the researchers say.

“The potential detrimental effect of [second-hand nicotine vape] exposure can be much greater for children who themselves are not smokers or vapers,” said study co-author Dr Talat Islam, an environmental epidemiologist at the University of Southern California in

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