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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.