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There are approximately 3 million unintended pregnancies in the United States each year.

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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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