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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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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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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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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.