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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The average office desk has 400 times more bacteria on it than a toilet.
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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 types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.