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Medication errors are three times higher among children and infants than with adults.

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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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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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