dimwit wrote:Helen Calldicott is in the crank scale somewhere between Debito and Benny Fulford. I've always wondered how much funding she lost after the fall of the Soviet Union?
1/ The major source of man-made radiation is medical imaging, which save countless lives, as per the image below (15%).

2/ The phenomena of radiation hormesis - the neutral to beneficial effects of low level radiation - is now experimentally and empirically well documented .
http://goo.gl/3LgOE
http://goo.gl/dTXMO
http://goo.gl/X5wuc
http://goo.gl/3zrRm