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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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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Thyroid conditions may make getting pregnant impossible.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.