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Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
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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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Approximately 25% of all reported medication errors result from some kind of name confusion.