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Author Question: Administering a test to a group of individuals, readministering that same test to the same group at ... (Read 149 times) |
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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Illicit drug use costs the United States approximately $181 billion every year.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.