Long before the 20th century, when it became a fact that smoking directly causes cancer, the tobacco plant, Nicotiana , was widely celebrated across Europe and South America for medicinal practices. For centuries tobacco was thought, without any evidence, to be a remedy for colds, fevers, and other illnesses. It wasn’t until the late 1800s, when smoking tobacco exploded in popularity, that doctors and scientists slowly began to notice the steady increase in lung cancer patients. 1 Decades later, overwhelming evidence that tobacco is extremely carcinogenic began to pile up, and smoking became a major public health concern. 2             Today, lung cancer is the leading cause of cancer-related mortality in women the leading cause of cancer-related mortality remains breast cancer, but both groups combined, it’s true that it’s lung cancer worldwide. Modern medicine has come up with ways to detect and treat lung ca...