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E-cigarette vapour could damage health of non-smokers

BMJ 2014; 349 doi: (Published 17 November 2014) Cite this as: BMJ 2014;349:g6882
  1. Ingrid Torjesen
  1. 1London

Particles in secondhand vapour from e-cigarettes have the potential to damage the health of non-smokers, a study by environmental scientists presented at the e-cigarette summit in London on 13 November has found.

Researchers presented the first results from chamber experiments that measured the concentration, size, and composition of particles in e-cigarette vapour, and how these parameters changed over time, to determine their potential effects on non-smokers.

Roy Harrison, professor of environmental health and risk management at the University of Birmingham, and Gordon McFiggans, professor of atmospheric multiphase processes at the University of Manchester, presented the results. Harrison said that although the data were preliminary, they “provide evidence for a possible exposure risk to passive smokers in …

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