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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 average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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There are 20 feet of blood vessels in each square inch of human skin.
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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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Approximately 25% of all reported medication errors result from some kind of name confusion.