the major cause of cancer in the low and medium dose groups (0-100mSv) in the Hiroshima lifespan study was not the immediate radiation from the detonation, the external gamma radiation and neutrons, but was in fact exposure to Uranium 234 particles from the bomb itself which rained out over the city in the black rain. Torrential black rain fell over the city and surrounding areas from 30 minutes to several hours after the atomic explosion.
Hiroshima Black Rain and the Test Veterans,https://www.labrats.international/post/hiroshima-black-rain-and-the-test-veteransChris Busby, 13th Sept 2021
The absolute key study of the effects of radiation on cancer risk is the Lifespan Study (LSS) of the survivors of the Hiroshima bomb. It provides the evidence used by the Secretary of State for Defence (the MoD) to refuse pensions in all the UK Test Vet cases. Groups were assembled in 1952 some 7 years after the bomb and divided into…
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