Cigarette butts still emit harmful chemicals for at least a week after they have been stubbed out, experts have found.
Researchers warn ‘after smoke’ could damage health due to the ‘significant’ level of airborne nicotine coming from butts.
Most chemicals are emitted by the cigarette butt 24 hours after being extinguished.
But five days later, tests revealed concentrations of both nicotine and triacetin – a plasticiser in cigarette filters – had only halved.
The amount of nicotine released from an old butt over seven days was comparable to that emitted by burning one cigarette, the team found.
It never stops, does it?
It never ever stops.
Why not ‘before smoke’? Leaking out of cigarette cartons before they’ve been opened.
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