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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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Illicit drug use costs the United States approximately $181 billion every year.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.