Sunday, June 3, 2007

Smoking may damage your sperm

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...smoking may damage sperm, passing along genetic damage to a man's children, Canadian researchers report.

A study in mice shows that cigarette smoke caused changes in the DNA of sperm cells, the researchers said in this week's issue of the journal Cancer Research. Such mutations, know as germline mutations, are known to be permanent.

"If inherited, these mutations persist as irreversible changes in the genetic composition of offspring," said Carole Yauk of Health Canada's Environmental and Occupational Toxicology Division, who led the study.

...the longer you smoke the more mutations accumulate and the more likely a potential effect may arise in the offspring," Yauk said.

Source : Yahoo!News

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