Humans are the only species that have, “this urge”, to inhale harmful smoke into their body. There are all types of smokers. Some smokers are casual smokers, who only smoke in a social scene, other types of smoker are depressed/stressed smokes, who smoke, because they feel that it relieves something in them, and finally there are addictive smoker, who don’t know why they even started, but they can’t stop. What these people don’t realize is that the harm they are putting their bodies through. There are many risks of smoking, like lung disease, heart disease, and risks in pregnancy to the unborn child.
Today it is known that cigarette smoking is the leading cause of lung cancer and death in the United States. One researcher has described cigarette smoking as causing “a chronic inflammatory disorder of the lower airways.”(Doll 901-911) When we breathe, air enters the upper airway through the nose and mouth, where the ...