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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.