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The horizontal fraction bar was introduced by the Arabs.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.