How You Earn Credits. You qualify for Social Security. benefits by earning. Social Security credits when. you work in a job and pay. Social Security taxes.
Introduction. The atomic bomb survivors of Hiroshima and Nagasaki are a significant population for the study of radiation induced human leukemia. Whole body irradiation is most likely the cause of the leukemia caused by the atomic bomb radiation.[1] Follow-up of Japanese adult survivors of Hiroshima and Nagasaki have revealed abnormally high rates of cancer, persistent chromosomal aberrations in circulating lymphocytes, and lenticular opacities.3] Finally, children of atomic bomb survivors, who received exposure in utero ionizing radiation, had diminished stature, small head size, mental retardation, and subsequent seizures. [3] Study of the aforementioned groups has provided essential knowledge on the health effects of atomic bomb radiation.
1945: US drops atomic bomb on Hiroshima The first atomic bomb has been dropped by a United States aircraft on the Japanese city of Hiroshima.1945: US drops atomic bomb on Hiroshima.any have also suffered long-term sickness and disability. Three days later, the United States launched a second, bigger atomic bomb against the city of Nagasaki. The device known as Fat man, after Winston Churchill, weighed nearly 4,050 kg (nearly 9,000lb).