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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 oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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The FDA recognizes 118 routes of administration.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.