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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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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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There are 60,000 miles of blood vessels in every adult human.
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Medication errors are three times higher among children and infants than with adults.