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Illegal cigarettes pack toxic punch

7:41pm, February 8, 2005

Tobacco plants excel at extracting heavy metals from contaminated soils. So, it's not surprising that tobacco grown in such dirt can deliver large doses of the toxic elements to smokers' lungs. The tobacco in some illegal cigarettes seems to have been grown using metal-laced fertilizers, making the cigarettes even more harmful than the real things, scientists say.

Illegal cigarettes, packaged to resemble genuine brands, supply about 5 percent of the market in the United Kingdom. To see whether these illicit products have unique chemical characteristics, W. Edryd Stephens of the University of St. Andrews in Fife, Scotland, and two colleagues analyzed 47 knockoffs seized by British officials.

Three carcinogens—arsenic, cadmium, and lead—were typically three to six times as abundant in the cigarettes of counterfeit brands as in those of the eight legal brands they mimicked, the researchers report in the Jan. 15 Environmental Science & Technology.

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