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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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.