Was Low-Dose Radiation From the Atomic Bombs Beneficial?

120,000 survivors of the atomic bomb blasts in Japan have been studied since the 1950s.  A recent study done at Shujitsu Women's University has resulted in some interesting conclusions.  Survivors with exposures between 500 millirads and 50 rads of radiation had lower mortality rates than control subjects not exposed to atomic bomb radiation.  Read more here.