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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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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Everyone has one nostril that is larger than the other.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.