When you smoke, it doesn't only effect the visible things like yellow teeth or even bad breath. smoking also deeply effects your lungs. Lung cancer is the most common cancer for both men and women in the U.S and most of the time its because of smoking related problems. When you inhale, your lungs expand and are pulled back to their original state by the elastic tissues that line their inner walls. When you smoke, these elastic tissues get damaged and after a period of continued smoking, these tissues get so rigid that they fail to perform their function. Therefore the lungs stay in an expanded state making it difficult to exhale. The most common lung diseases caused by cigarette smoking are:
-Emphysema
-Chronic bronchitis
-Asthma
-Lung cancer
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