Reference Terms
from Wikipedia, the free encyclopedia
Pneumonia
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.
Note: The above text is excerpted from the Wikipedia article "Pneumonia", which has been released under the GNU Free Documentation License.
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March 17, 2025
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Mar. 17, 2025 — Early-life adversity affects more than half of the world's children and is a significant risk factor for cognitive and mental health problems later in life. In an extensive and up-to-the-minute ...
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