Yes.
Some. however, would argue it's soaked in something stronger....Strontium 90, perhaps...
Lutefisk, BTW, is of Norwegian origin. It first appeared around the time of the demise of the Swedish empire, and I don't think that was a coincidence!
CA....
Leave it up to those crazy Norwegians to eat something that is considered toxic..........so the Norskis may have done evil to the Swedish empire....go figure.....