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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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The FDA recognizes 118 routes of administration.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.