Cancer has become a worldwide problem and is the second leading cause of death in the United States after heart disease. Lung cancer is one of those diseases that can just creep up on you, and by the time you notice something is wrong, often the cancer is pretty advanced. In fact, in America, lung cancer causes 25 percent of all cancer deaths in adults. That incessant cough you have might be an irritation from the flu or infection; however, it might be a symptom of something far more serious, so it’s best to get that ruled out. Early detection is crucial for a cure, and the older you are the more chance you have of lung cancer becoming your enemy. We all know by now that smoking is bad for your health, yet around 38 million Americans still light up. Cancer of the throat is almost always caused by …