Lung disease is a condition or disease in which the lung function is impaired. Without lungs, humans will not be able to breathe correctly. Our lungs open the doors to life as they provide us with oxygen and remove the carbon dioxide from our bodies.
Our lungs are constantly in contact with the outside air and the internal body environment which means they are susceptible to disease. In the USA alone COPD is the fourth leading cause of death. It has been predicted that by 2020 COPD will become the leading cause of death in the USA. Lung disease affects many people but it is also the number one killer in babies less than a year old.
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