This article is about human pneumonia. To read about pneumonia in animals, please see pneumonia (non-human). Pneumonia is an illness of the lungs and respiratory system in which the alveoli (microscopic air-filled sacs of the lung responsible for absorbing oxygen from the atmosphere) become inflamed and flooded with fluid. Pneumonia can result from a variety of causes, including infection with bacteria, viruses, fungi, or parasites. Pneumonia may also occur from chemical or physical in ...
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From the EAST  traditional·alternative

... You usually don''t "catch" pneumonia from someone else. Instead, you develop the disease because your immune system is temporarily weakened, often for no known reason. The following suggestions can he...
Source: MayoClinic