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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20 minutes after smoking a cigarette, blood pressure drops to normal.
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People that suffer from gum disease are twice as likely to have a stroke or heart attack.
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The average human body contains enough iron to make a small nail.
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Your body is creating and killing about 2.4 million red blood cells per second.
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