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Did you know?
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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There are 60,000 miles of blood vessels in every adult human.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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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.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.