How atomic bomb survivors have transformed our understanding of radiation’s impacts By Dennis NormileJul. 23, 2020 , 2:00 PM

A mushroom cloud hangs over Hiroshima on 6 August 1945. An estimated 90,000 to 120,000 people died that day or soon after; many others developed cancer later.

HIROSHIMA—Kunihiko Iida wants the world to know that the atomic bombs the United States dropped on Hiroshima and Nagasaki 75 years ago next month are still claiming lives and causing suffering.

Iida was 3 years old in August 1945. His father had died in battle; he was living with his mother and her parents in a house 900 meters from Hiroshima’s hypocenter, the spot right beneath the detonation. The blast crumpled the house. The family fled the city, but Iida’s mother and older sister soon died from their injuries, a fact the little boy didn’t grasp. “Until I entered elementary school, I thought they were living and that we would meet someday,” he says.

His injuries left him bedridden for years, and he has suffered debilitating illnesses ever since. Childhood anemia caused him to collapse at school. He’s had ulcers and asthma, underwent two surgeries to remove brain tumors, and now has thyroid growths. “There has never been a break in these illnesses,” he says. Tiếp tục đọc “How atomic bomb survivors have transformed our understanding of radiation’s impacts”