31 October 2012

Kids who smoke menthol likely to get hooked

Kids who experiment with menthol cigarettes are more likely to become habitual smokers than their peers who start out with the regular variety, new research findings suggest.


Kids who experiment with menthol cigarettes are more likely to become habitual smokers than their peers who start out with the regular variety, new research findings suggest.

In a study of tens of thousands of U.S. students, researchers found that kids who were dabbling with menthol cigarettes were 80% more likely to become regular smokers over the next few years, versus those experimenting with regular cigarettes.

Critics have charged that menthol makes cigarettes more palatable to new smokers - many of whom are kids - and may be especially likely to encourage addiction.

"This study adds additional evidence that menthol cigarettes are a potential risk factor for kids becoming established, adult smokers," said study leader Dr James Nonnemaker, of the research institute RTI International in Research Triangle Park, North Carolina. "The study's subject to a number of limitations," Dr Nonnemaker cautioned. "This shows an association, not cause-and-effect."

One issue, he said, is that the study was not set up specifically to answer the question of whether menthol might encourage habitual smoking.

How the study was done

The findings come from three years' worth of surveys of over 47 000 US middle school and high school students. That included almost 1 800 kids who had just started smoking during the first or second survey - one third of whom had opted for menthol cigarettes.

By the third-year survey, more than half of those experimenters had quit smoking. Another third were still occasional smokers, and 15% had become habitual smokers.

The odds of becoming a regular smoker, the study found, were 80% higher for kids who'd started off with menthol cigarettes. That was after adjusting for the kids' age, gender, and race.

The results are consistent with the idea that menthol cigarettes encourage kids to get hooked because of menthol's sensory properties, according to Dr Nonnemaker.

But, he said, more studies are needed. One question is whether the findings might vary by race. This study included mostly white students. But it's known that young African Americans and Asian Americans are especially likely to smoke menthol varieties.

Last year, an advisory committee to the U.S. Food and Drug Administration said taking mentholated cigarettes off the shelves may benefit public health.

But studies have varied on the possible effects of the cigarettes versus regular ones.

One recent study found that menthol smokers had a higher stroke rate than those who favoured the non-menthol variety. Another, however, found no higher risk of lung cancer, and no evidence that menthol fans had a harder time kicking the smoking habit.

(Reuters Health, October 2012)

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