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Nuclear radiation: 'The greatest public health hazard'

"A pediatrician, [Helen] Caldicott came from her native Australia to become an instructor on the faculty of Harvard Medical School, where she specialized in the treatment of cystic fibrosis at the Children's Hospital Medical Center. She soon helped revive the moribund Physicians for Social Responsibility, a health organization dedicated to halting the proliferation and use of nuclear weapons and nuclear power.

While she was president, from 1978 through 1984, the group grew to 23,000 physician members and in 1985 shared in a Nobel Peace Prize with International Physicians for the Prevention of Nuclear War. "We led the nuclear weapons freeze movement with many other professional groups," she said. "I think we helped to end the Cold War."

CNN conducted a Q & A with Caldicott. Sample:

"CNN: Is it possible to have a safe nuclear power plant?

Caldicott: No. They are very complicated machines containing the energy released when an atom is split: Einstein's formula e=mc², the mass of the atom times the speed of light squared. Anything can go wrong: natural disasters, failure of cooling systems, human and computer error, terrorism, sabotage. Radioactive waste must be isolated from the ecosphere for half a million years or longer, a physical and scientific impossibility, and as it leaks it will concentrate in food chains, inducing epidemics of genetic diseases, leukemia and cancer in all future generations, the greatest public health hazard the world will ever see.

Einstein said, "The splitting of the atom changed everything save man's mode of thinking; thus we drift towards unparalleled catastrophe." He also said, "Nuclear power is a hell of a way to boil water."

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