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Medication errors are more common among seriously ill patients than with those with minor conditions.

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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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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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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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