Only life-long smokers are at risk for lung cancer, right? Wrong. This is just one of the common misconceptions surrounding the second most common type of cancer. Not only is it common, it’s deadly. Lung cancer is the leading cause of cancer-related deaths worldwide. Every year, more people die of lung cancer than of colon, breast and prostate cancers combined. Smoking is the leading risk factor for lung cancer. According to the American Cancer Society, lung cancer is the leading cause of cancer death a...