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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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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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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 human body produces and destroys 15 million blood cells every second.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.