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Did you know?
There are 60,000 miles of blood vessels in every adult human.
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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
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Thyroid conditions may make getting pregnant impossible.
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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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.