In 2003, Schull published a synopsis on the children of atomic bomb survivors.

Dr. Mettler said the latest data show that 12,000 of these atomic bomb survivors had died from cancer.

His mother is a hibakusha, or atomic bomb survivor.

Speaking at the new exhibit's opening ceremony, a bomb survivor described seeing a friend's face "peeled, hanging like pieces of rag."

Research on anemia, leukopenia, myelodysplasia in atomic bomb survivors.

"There's no big difference in mortality for atomic bomb survivors compared to the regular population," Dr. Ohta said.

But so far there has been no indication that descendants of atomic bomb survivors are affected.

Rates are approximated using data gathered from Japanese atomic bomb survivors.

The risk was then quantified through long-term studies of atomic bomb survivors.

The richest source of high-quality data comes from the study of Japanese atomic bomb survivors.