What Is Pneumonia? What Causes Pneumonia? Pneumonia is an infection of the lungs that is caused by bacteria, viruses, fungi, or parasites. It is characterized primarily by inflammation of the alveoli in the lungs or by alveoli that are filled with fluid (alveoli are microscopic sacs in the lungs that absorb oxygen). At times a very serious condition, pneumonia can make a person very sick or even cause death.
Source: www.medicalnewstoday.comWhat is Insomnia? What Causes Insomnia? Insomnia, from the Latin "in" (not) and "somnus" (sleep), is a condition characterized by difficulty falling asleep and remaining asleep. It includes a broad spectrum of sleep disorders, from lack of quantity of sleep to lack of quality of sleep. Insomnia is often separated into three types. Transient insomnia occurs when symptoms last from a few days to a few weeks.
Source: www.medicalnewstoday.com
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