V 



THE INTERRELATIONSHIP OF THE INTERNAL 

 SECRETIONS 



BY R. J. STROUD, M.D., Douglas, Ariz. 



The effect of impairment or removal of certain endo- 

 crine glands has been known for many years, but their 

 relationship to one another and to the whole series of 

 internal secretions produced has been neglected until 

 very recently. For many years before Brown-Sequard's 

 work the subject of endocrinology was either in dis- 

 repute or considered of no particular importance. All 

 of the textbooks on physiology were barren of the sub- 

 ject except in a cursory way. All had recognized the 

 effects of castration on both young and older subjects, 

 but when the subject was first revived by Brown- 

 Sequard's remarkable report (in 1889), the stimulus 

 was killed, as charlatans found their pocketbooks en- 

 riched by the advertising of gonadal substances about 

 which the whole profession was talking. History has a 

 habit of repeating itself, and this same thing seems to 

 be happening right now. 



When real charlatans use any method unscientifically 

 the profession, as a whole, condemns the procedure, 

 whether there is any merit in it or not. It is then for- 

 gotten until revived. The more recent interest in 

 "monkey gland" treatment is simply a revival of the 

 work done in France some thirty years ago. It is with- 

 in the memory of a great many physicians that iodine 

 fell into disrepute when the laity began extolling its 

 virtues, but it has revived in greater measure than 



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