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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
There are 60,000 miles of blood vessels in every adult human.
The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.
Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.