Practical observations on the action of morbid sympathies : as included in the pathology of certain diseases; in a series of letters to his son, on his leaving the University of Edinburgh, in the year 1809 / By Andrew Wilson, M.D. Kelso.

  • Wilson, Andrew, M.D.
Date:
1818
Catalogue details

Licence: Public Domain Mark

Credit: Practical observations on the action of morbid sympathies : as included in the pathology of certain diseases; in a series of letters to his son, on his leaving the University of Edinburgh, in the year 1809 / By Andrew Wilson, M.D. Kelso. Source: Wellcome Collection.

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    may inspire the poisonous vapour which commonly produces typhus, without be- ing necessarily affected with the disease ; because, in the first place, it is certain that the human body is, at some times, in a state to resist its effects more obsti- nately than at others ; and, in the second place, a sufficient quantity of the poison must be taken in before its full effects are produced in every supposable state of the body. Hence it happens that a person may occasionally inhale a portion of this poison daily, for many successive days, without a febrile state being thereby formed ; although I believe never with- out feeling certain uneasy sensations, es- pecially lassitude ; while, at other times, avery slender exposure indeed is suffi- cient to produce the disease. In the first case, the person is poisoned, as well as in the second, only with this difference, that, in the first, the dose received had been unequal to the purpose of exciting