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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
The longest a person has survived after a heart transplant is 24 years.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).