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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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There are approximately 3 million unintended pregnancies in the United States each year.
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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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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.