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Changes Cigarettes More Vulnerable To Cancer Lung tuberculosis
As many as half the cases of lung cancer in the U.S. may be caused by the change, said Dr. David Burns of the University of California, San Diego, the researchers at a meeting of tobacco recently.
Study found an increase in the type of lung tumor, called "adenocarcinoma" higher in the United States compared with Australia, even though both countries are switching to what's called a cigarette lighter at the same time.
"The most likely explanation is a change in the cigarette," said Burns in an interview. "Cigarettes are sold in Australia contain nitrosamine` `degree lower, which is known by the name` `carcinogen, compared with that sold in the United States."
He admitted that while the evidence is that need further research.
Study submitted for the meeting of the Research on Tobacco and nicotine, on the comparison of smoking behavior in different age groups for four decades - how much they smoke, when they start, when they stop - and how to change the risk of cancer.
The risk of squamous cell carcinoma (SCC) remains the same during that time, so the findings of Burns. However, increasing the risk of adenocarcinoma. That is 65 percent to 70 percent of cases of lung cancer is a new show in the U.S. but not more than 40 percent of lung cancer in Australia, he said.
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