hand cigarette smoke is a mixture of
mainstream and sidestream smoke. It contains
the same toxicants as mainstream smoke, but at reduced levels. It is
responsible for about 8% of the deaths caused by direct smoking.
hand mist from an e-cigarette
is not smoke at all, and does not contain any substance known to
cause death, short or long term, in the quantities found. It becomes invisible
within a few seconds, and is not detectable by smell.
Exhaled breath after e-cigarette use
has been tested for CO only. No increase in CO was found.
The e-cigarette does not create side-stream
Exhaled breath after e-smoking contains
even less nicotine per puff, as much of the nicotine inhaled is absorbed.
Similarly, propylene glycol is largely absorbed and little is exhaled.
harm found in e-cigarette mist
Nicotine is not harmful in the
Propylene glycol is harmless –
it is used in making theatrical fog and as an ingredient in soaps,
personal lubricants and intravenous medicines.
RP, Bailey WC, Daniels K. et al. Safety of nicotine polacrilex
gum used by 3,094 participants in the Lung Health Study. LHS Research
Group. Chest 1996; 102: 438-45.