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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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The longest a person has survived after a heart transplant is 24 years.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Vaccines prevent between 2.5 and 4 million deaths every year.