What are the effects of smoking on the lungs?
The Lungs The lungs are located in your chest. They move air in and out of your body, taking in oxygen and pushing out carbon dioxide. The oxygen is carried through a complicated network of branching airways (called bronchi), which eventually lead to tiny air sacs (called alveoli). This network of airways looks somewhat like an upside-down tree. ————————————–… Health Consequences of Smoking Lung cancer is the leading cause of cancer death in the United States. Compared to nonsmokers, men who smoke are about 23 times more likely to develop lung cancer, and women who smoke are about 13 times more likely to develop lung cancer. Smoking causes about 90% of lung cancer deaths in men and about 80% in women. In 2003, about 157,200 people died from lung cancer and there were about 171,900 new cases, in the United States. Smoking low tar-cigarettes does not substantially reduce the risk of lung cancer. Smoking causes injury to the airways and air sacs of your lungs, whi
