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The horizontal fraction bar was introduced by the Arabs.
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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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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.