The effects on smoking on lung tissue . Computer illustration of the organs of the thoracic cavity, with the lung on the left pink and healthy, and the lung on the right affected by smoking. Cigarettes contain cancer-causing chemicals and the addictive drug nicotine. Tar from tobacco smoke builds up in the lungs causing long-term damage. Tobacco smoke is the major cause of lung cancer and several other lung diseases, such as emphysema - a disorder where the air sacs in the lungs become enlarged and damaged, reducing the surface area for the exchange of oxygen and carbon dioxide.
Model release not required. Property release not required.