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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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There are 20 feet of blood vessels in each square inch of human skin.
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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.