U.S. cigarettes triples the risk of cancer

U.S. cigarettes are most harmful of colleagues manufactured in Australia, Britain or Canada. It comprises a variety of nitrosamines (carcinogenic) very high, which increases the risk of cancer, up to threefold. The research supports the Centers for Disease Control and Prevention (CDC), conducted by Dr. Jim Pirkl and published in “Cancer Epidemiology Biomarkers and Prevention. Scientists worked with 126 smokers, considering the brand of “blondes” like and subjecting them to tests to assess the presence of nitrosamines in the lungs, urine and oral cavity. It should be noted that the researchers chose smoking faithful to a single brand and consumers of popular national brands.

The CDC investigation concluded as U.S. cigarettes were the most capable in promoting cancer, and this for two main reasons. First of all, they are made with dark tobacco, while the varieties British, Australian and Canadian tobacco exploit “blond.” In addition, producers of the U.S. favor a particular system of tanning and flavoring, can further increase the percentage of nitrosamines. Doctors involved hope their work can help company to produce safer cigarettes, even if they admit it big and how far from simple. Nor is it certain, in fact, if a reduction of nitrosamines would lead to a reduction of cancer among smokers, since they are involved in the process other chemicals.

Explains Professor John Spangler, of the Faculty of Medicine of Wake Forest University: “There are at least two dozen other carcinogens in cigarettes, not to mention the other 4000 chemicals that can contribute to heart disease and also cause respiratory” . Source: “Study: U.S. Cigarettes Have More Cancer Agents”, CBS News, 1/06/010

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