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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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Excessive alcohol use costs the country approximately $235 billion every year.