Americans have known that smoking causes lung cancer since the 1950s. In addition, studies link smoking to the onset of heart disease, emphysema, chronic bronchitis and other deadly ailments. However, more than half a century later, it is still hard to give up this habit. According to the American Cancer Society, nicotine — the drug found in tobacco, which make up cigarettes — is more addictive than heroin or cocaine.
Tobacco use is the most common preventable cause of death. About half of the people who don’t quit smoking will die of smoking-related problems. Quitting smoking is important for your health and provides many benefits. Soon after you quit, your circulation begins to improve, and your blood pressure starts to return to a normal level. [...]