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The FDA recognizes 118 routes of administration.

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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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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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There are more nerve cells in one human brain than there are stars in the Milky Way.

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People about to have surgery must tell their health care providers about all supplements they take.

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