It is well that physicians are human, and subject to all the ills and pains that other mortals have to endure, in life. Pain not only excites our sympathy, but makes all nature akin. Were this not true, this subject as well as many others might have received but slight attention from the medical profession for years yet to come.
When a medical man or his own family are suffering with some mysterious disease, he will give the subject his closest attention and continue to investigate until his efforts are rewarded by success. Alexander Haig, London, to whom we are indebted for an investigation of the subject of this paper, states that he was a sufferer from migraine, and not until the year 1882, after years of suffering and investigation, did he succeed in finding relief. Through his experience and his publishing of "Uric Acid as a Factor in the