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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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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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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.