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Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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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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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.