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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.