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The horizontal fraction bar was introduced by the Arabs.

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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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Illicit drug use costs the United States approximately $181 billion every year.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

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