Does the hypothesis 'After anesthesia was introduced in the U.S. in 1844, the phrase came flguratively to mean to `deal with a bad situation resolutely,' as in Rudyard Kipling's lines  Bite the bullet, old man,/ And don't let them think you're afraid. ' logically conflict with the premise 'Anesthesia was first used in the United States in 1844.'
After anesthesia was introduced in the U.S. in 1844, the phrase came flguratively to mean to `deal with a bad situation resolutely,' as in Rudyard Kipling's lines  Bite the bullet, old man,/ And don't let them think you're afraid. ###Anesthesia was first used in the United States in 1844.