lung cancer and smokingA 2015 study published in JAMA Internal Medicine has found that 48.5 percent of around 346,000 deaths attributed to 12 types of cancer are caused by cigarette smoke.

Lead researcher from the American Cancer Society, Dr. Rebecca L. Siegel, and her colleagues combed through data from the 2011 National Health Interview Survey and the Cancer Prevention Study III. The research team set out to provide an updated estimate for the number of smoking-related cancer deaths due to recent changes in smoking prevalence and deaths attributed to cancer.

They did recognize some of the study’s limitations, which included the study’s population being less diverse and more education than the U.S. population and exposure to tobacco products other than cigarettes.

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