Low nicotine cigarettes may reduce smoking addiction

Aug 24 2014, 18:49 IST
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SummaryCigarettes with very low levels of nicotine may reduce smoking addiction without increasing exposure to toxic chemicals, according to a new study.

Cigarettes with very low levels of nicotine may reduce smoking addiction without increasing exposure to toxic chemicals, according to a new study.

The study by the University of Waterloo monitored the smoking behaviours of 72 adults as they switched to three types of cigarettes with markedly reduced nicotine levels.

Unlike when smokers switch between conventional cigarette brands - all of which have very similar levels of nicotine content - the study found no change in participants' puffing behaviour, number of cigarettes consumed or levels of toxic chemicals in their systems.

The landmark findings may ease concerns that smokers would increase their consumption of cigarettes or puff harder if governments reduced nicotine levels to negligible amounts.

"One of the primary barriers to reducing nicotine levels is the belief that individuals who continue to smoke will smoke more cigarettes in an effort to extract the same nicotine levels, thereby exposing themselves to greater amounts of toxic chemicals. Our findings suggest this is not the case," said Professor David Hammond, of the Faculty of Applied Health Sciences at Waterloo, and lead author on the research paper.

"The smokers were unable or unwilling to compensate when there was markedly less nicotine in the cigarette and when the experience of smoking is far less rewarding," said Hammond.

The cigarettes used in the study had a nicotine content of 8.9, 8.4 and 0.6 mg, respectively, as opposed to an average of 12 mg in a regular cigarette.

"There is ample evidence from inside and outside the tobacco industry that major reductions in the nicotine content of cigarettes would result in a less-addictive product," said Hammond.

"Overall, the impact of a less-addictive cigarette on reducing smoking uptake and cancer prevention is potentially massive," Hammond said.

The study was published in the journal Cancer Epidemiology.

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