The Childhood Cancer Research Group (CCRG) at the University of Oxford have published a new analysis of their data on childhood cancer, this time testing the “corona ion hypothesis”.
The corona ion hypothesis suggests that high-voltage power lines may cause disease (including cancer) by producing air ions called “corona ions”, which are blown away by the wind and magnify the effect of existing airborne pollutants.
The CCRG have previously shown that childhood leukaemia rates seemed to be elevated within 600 m of UK power lines in the 1960s and 1970s, but that this elevation has declined since then.
They now find no support in their data for the idea that this could be caused by corona ions.
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