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Asthma cases in Americans are about 75% higher today than they were in 1980.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Illicit drug use costs the United States approximately $181 billion every year.
The horizontal fraction bar was introduced by the Arabs.
Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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