Pity one cannot prove a negative. I've seen doubts expressed about the danger of emissions from computer screens, as well as the power line/electric blanket and cellphone 'hazards' discussed in this thread. In no case was a cause-and-effect relationship proven. But no one can absolutely demonstrate that a low-level causal effect did NOT exist. And the 'preventive' measures (such as using twisted pairs in electric blankets, and metallic screens in front of monitors) not only cannot be shown as reducing whatever 'risk' there might be, but tend to perpetuate the myth: if there was no problem, why did they bother to take action? Frank McCaughey Consultant
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