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Did you know?
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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There are 60,000 miles of blood vessels in every adult human.
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Your heart beats over 36 million times a year.
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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
Did you know?
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.