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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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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.