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The Guardian - UK
The Guardian - UK
Politics
Anna Bawden Health and social affairs correspondent

Chemicals in vapes could be highly toxic when heated, research finds

Donal OShea Disease
Close-up of a person vaping
Vapers are inhaling volatile carbonyls and, given there are so many flavours available, research into toxicity levels is difficult. Photograph: Nicholas.T Ansell/PA

Chemicals used to produce vapes could be acutely toxic when heated and inhaled, according to research.

Vaping devices heat the liquid flavouring to high temperatures to form an aerosol that is then inhaled. They contain chemicals including vegetable glycerin, propylene glycol, nicotine and flavourings, blended in various amounts.

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