Warning, this is not the result of an official study but the findings of the personal study of Kikko, a blogger who took as a base the number of hospitalized patients. But again we cannot expect the Japanese government to officially advertize it: “The number of patients diagnosed with leukemia in 2015 was about 7 times higher than the previous year.”
From June 2015
Sharp increase in leukemia patients ~ Number of patients is about 7 times more than last year ~ Fukushima, Ibaraki, Tochigi, Tokyo
According to the statistics of the National Public Medical Association from the hospitals of each prefecture, from April to October 2015, the number of patients diagnosed as “leukemia” was about seven times higher than in 2014.
About 60% or more of patients diagnosed with leukemia are acute leukemia,
Since 1978 when they began taking statistics, such high proportion never occured before.
About 80% of the patients are in the Tohoku and Kanto regions. Fukushima Prefecture is the largest, next, Ibaraki, Tochigi and Tokyo in that order.
Strontium 90 is the most probable cause. It acts inside the body as calcium so that it can be stored in bones and brain. It takes 2-3 years until symptoms develop. People inhaling it or ingesting it in foods such as milk, fish and meat.