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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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

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The longest a person has survived after a heart transplant is 24 years.

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Approximately 25% of all reported medication errors result from some kind of name confusion.

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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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