The heart pumps about 1 million barrels of blood during an average lifetime!
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An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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There are more bacteria in your mouth than there are people in the world.
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Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
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If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
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Fingernails grow nearly 4 times faster than toenails!
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One or two alcohol drinks a day can be anti-inflammatory.
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