Prof Vallis said "it is attracted to DNA damage", where it then delivers a dose of radiation, causing more damage and attracting even more antibodies - it is a "self-amplifying system".

BBC: One test may 'find many cancers'

Salt water damage is even more likely to make pumps and valves inoperable in the short term, causing further melting of the already damaged reactor cores.

FORBES: Fukushima Update: It Could Be Worse - Really