Cleave and Himmsworth

Cleave discusses the striking drops in diabetes mortality rates in his book ‘The Saccherine Disease’ (link)

The Netherlands

Similar but less long-lived trends were seen in the Netherlands, where rates were again rising in 1949, whilst the y continued to fall until the early 1950s in Britain.

Lower incidence of type 2 diabetes mellitus with changes in lifestyle: clues from World War II (Link)

Japan

Similar trends were seen in Japan, but as in the Netherlands started to reverse earlier, in Japan in 1947.

Influence of the World War II Food Shortage on the Incidence of Diabetes Mellitus in Japan (Link)

More

Further related data and comment to try and explain some of these observations will be added in due course.