Did you know?

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 approximately 3 million unintended pregnancies in the United States each year.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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The FDA recognizes 118 routes of administration.

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