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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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The horizontal fraction bar was introduced by the Arabs.