Studies of the mortality of atomic bomb survivors. Report 12, Part II. Noncancer mortality: 1950–1990

This continues the series of general reports on mortality in the cohort of atomic bomb survivors followed up by the Ra-diation Effects Research Foundation. This cohort includes 86,572 people with individual dose estimates, 60 % of whom have doses of at least 5 mSv. We consider mortality for solid cancer and for noncancer diseases with 7 additional years of follow-up. There have been 9,335 deaths from solid cancer and 31,881 deaths from noncancer diseases during the 47-year follow-up. Of these, 19 % of the solid cancer and 15 % of the noncancer deaths occurred during the latest 7 years. We es-timate that about 440 (5%) of the solid cancer deaths and 250 (0.8%) of the noncancer deaths were associated with the ra-diation exposure. The excess solid cancer risks appear to be linear in dose even for doses in the 0 to 150-mSv range. While excess rates for radiation-related cancers increase throughou