You know how it is. You go in for a check-up and the doctor says your blood pressure is "fine". What does fine mean, you ask, and he tells you not to worry. You have your gall bladder out and the doctor calls it "textbook". You ask which one, so you can read up on the condition, and he chuckles appreciatively. All your various complaints are dismissed as "normal", so you never bother to learn the difference between bilirubin and a biorhythm.
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