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“esthesia and anesthesia”
Esthesia and anesthesia, feeling and unfeeling
Esthesia refers to "feeling" but there is a great deal to learn about anesthesia or the elimination of pain. So check out this index page for an interesting history about anesthesia.
Pain, however useful as a warning signal designed to keep living organisms from damaging themselves too badly, becomes useless agony when operations must be performed.
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Log or Blog of Words in the News and from Other Media Sources
(page 3)