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Did you know?
According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Excessive alcohol use costs the country approximately $235 billion every year.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.