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Did you know?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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The average adult has about 21 square feet of skin.