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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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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.

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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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