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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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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.