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Did you know?
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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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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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.