If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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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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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
