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Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Cyanide works by making the human body unable to use oxygen.
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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
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People about to have surgery must tell their health care providers about all supplements they take.