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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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Illicit drug use costs the United States approximately $181 billion every year.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.