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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
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The horizontal fraction bar was introduced by the Arabs.