Cigarettes can cause genetic damage instantly

U.S. researchers stated that "the effect is so fast that it is equal to injection of substances directly into the bloodstream, which, as stated in the study, a "clear warning "to smokers. This is the first study in humans to determine how substances in tobacco cause damage to DNA, published in the journal Chemical Research in Toxicology, published by the American Chemical Society.

The study included 12 smokers, researchers have explored the effects of polycyclic aromatic hydrocarbons (PAHs) produced during combustion of tobacco, wood or coal, and can be found in meat cooked on the grill.

In particular, they follow a chemical compound phenanthrene in the blood of smokers and they saw that produce toxic substances which are known to "cause mutations in DNA that can cause cancer. "Smokers have developed maximal levels of these substances within the time which surprised the scientists: only 15 to 30 minutes after the study participants smoked a cigarette, " according to the study.

"These results should serve as a clear warning to those who intend to start smoking, " said lead researcher Stephen Hecht. Every day about 3000 people are dying of lung cancer worldwide, and 90 percent of those deaths attributed to smoking.

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