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  Nicotine May Speed Lung Cancer Growth
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ContributorServo 
Last EditedServo  Mar 27, 2003 12:20am
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MediaWebsite - Yahoo News: Iran
News DateThursday, March 27, 2003 06:20:54 AM UTC0:0
DescriptionLONDON (Reuters) - Nicotine in cigarettes not only causes cancer, it may also speed up the growth of existing tumors.

Research by scientists at the Oregon National Primate Research Center in Beaverton suggests that nicotine stimulates the production of a molecule that can make lung cancer cells more aggressive and encourages them to divide and grow.

"Smoking may boost the growth of existing tumors as well as triggering cancer," New Scientist magazine said on Wednesday.

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