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Did you know?
The average adult has about 21 square feet of skin.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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There are 60,000 miles of blood vessels in every adult human.
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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.