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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Everyone has one nostril that is larger than the other.
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The average office desk has 400 times more bacteria on it than a toilet.
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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.