There are a number of features in connection with the general frequency of diabetes mellitus, as well as with its occurrence in certain races and in certain classes that merit particular attention. Thus, for instance, it appears that the general frequency of this disease is steadily increasing, both in the United States and in the European countries, although the disease is as yet, at any rate, much less prevalent here than across the Atlantic.
The statistics of Saundby1 show that the mortality in the United States in 1870 was 2.1 to the one hundred thousand population; whereas in 1890 the death rate was 3.8 per hundred thousand. Now, these statistics show that diabetes in this country is gradually on the increase.
Hare,2 in recently published statistics, also demonstrates that the frequency is on the increase. He points out that in thirty years, from 1850 to 1880, the mortality