The Institution of Engineering and Technology (IET) has a Biological Effects Policy Advisory Group (BEPAG) which produces Position Statements every two years. The latest was published in June 2010 and the key conclusion is:
"BEPAG has concluded that the balance of scientific evidence to date does not indicate that harmful effects occur in humans due to low-level exposure to EMFs. This conclusion remains the same as that reached in its previous position statements, the last being in May 2008, and our findings have not been substantially altered by the peer-reviewed literature published in the past two years."
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