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It is not infrequently the duty of physicians to decide upon the disqualifications from age, but he would be a rash medical authority who would formulate a general rule as to the exact period in life when all men should give up active pursuits and be considered as unfit for the ordinary duties of business or professional life. It is true that senile changes occur in perhaps a majority of those that reach any advanced age that disqualify them to a greater or less extent, but there is no uniformity as to this and it is impossible to lay down any law that is universally applicable. Moltke at past the age of 70 was the organizer of the most successful great campaigns of modern times, and Gladstone at a still greater age is influential and active to a degree surpassing most younger men. These are prominent instances, but they are
THE CRITERIA OF SENILITY.. JAMA. 1897;XXIX(2):88-89. doi:10.1001/jama.1897.02440280040006