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Did you know?
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.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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There are 60,000 miles of blood vessels in every adult human.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.