How Smoking Increases Risk for Lung Cancer Explained

With about 1.76 million deaths per year worldwide, lung cancer is considered the leading cause of cancer death according to WHO (World Health Organization). In the United States, 80% to 90% of lung cancer deaths are associated with cigarette smoking, making it the number one risk factor for lung cancer.

 

Compared with nonsmokers, people who smoke have an increased risk of developing lung cancer. They are about 15 to 30 times more likely to get lung cancer. Regardless of the number of cigarettes a person smokes per day or even if a person is an occasional smoker, they …read more