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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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Approximately 25% of all reported medication errors result from some kind of name confusion.

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