A stay of two years in North China so interested me in the possible relation of climate to the occurrence of certain metabolic diseases (diabetes, pernicious anemia, exophthalmic goiter and Addison's disease) that I decided to make a study of the distribution of these diseases in all countries where deaths from these causes are registered. The annual reports on vital statistics of the various countries supplied the data used. An effort has been made to work out the prevalence of each disease geographically by countries and, where possible, racially. The results are interesting and suggestive from the standpoint of etiology. In order that the bulk of data shall not exceed the limits of space, each disease will be dealt with separately, the subject of this communication being diabetes.
The most reliable statistics indicating the incidence of diseases are those on mortality, and with the "International List of the Causes of
MILLS CA. DIABETES MELLITUSIS CLIMATE A RESPONSIBLE FACTOR IN THE ETIOLOGY?. Arch Intern Med (Chic). 1930;46(4):569–581. doi:10.1001/archinte.1930.00140160019002