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Did you know?
All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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There are 60,000 miles of blood vessels in every adult human.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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Thyroid conditions may make getting pregnant impossible.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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