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Did you know?
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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The human body produces and destroys 15 million blood cells every second.
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There are 60,000 miles of blood vessels in every adult human.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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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.