The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
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Explaining “Moving Continents”— The Theory of Plate Tectonics