Incidence of lung cancer in the U.S. declining
the ONA take:
According to a study published in Cancer, researchers from the U.S. National Cancer Institute (NCI) have found that overall lung cancer rates are decreasing; however, certain types of lung cancer are on the rise.
The study showed that the overall lung cancer rate has dropped about 12% in the last 30 years, but the incidence of adenocarcinoma is on the rise. Riedel Lewis, lead investigator for the study postulated that the decrease in the overall rate of lung cancer is due a decline in smoking; however, the increase in adenocarcinoma may be caused by people who smoke light cigarettes.
Because light cigarettes are low-tar and low-nicotine, smokers may be smoking these types of cigarettes more frequently and inhaling more deeply to achieve the same effect as a typical cigarette. The study found that the incidence of adenocarcinoma was highest among young women.
Lung cancer rates among men and women are also changing. The rate of lung cancer in men are dropping while the rate of lung cancer in women have become stagnant. These changes may be attributed to fewer men smoking and women taking up smoking later than men, respectively. Researchers believe that the rate of lung cancer in women will decline as well.
Overall lung cancer rates are dropping, according to a new analysis.
Overall lung cancer rates are dropping, according to a new analysis of nearly a half million Americans with lung cancer. Over nearly three decades, the overall lung cancer rate has dropped approximately 12 percent, said the study's lead author Denise Riedel Lewis, an epidemiologist at the NCI.
Over nearly three decades, the overall lung cancer rate has dropped approximately 12 percent, said the study's lead author Denise Riedel Lewis, an epidemiologist at the NCI. "The good news is that lung cancer rates are declining.
However, it's not as clear for certain subtypes, and we are not exactly sure of the reasons behind these increases," Riedel Lewis said. Riedel Lewis said that while she cannot draw a definitive conclusion about what's causing the decline in lung cancer rates, she can infer that it's mostly due to decreases in smoking.
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