To have cancer be a problem you also have to have an autoimmune failure.
My brother brought a Geiger counter home for the summer. He went out prospecting and I sat in the Lab and assayed his finds. No uranium but every thing was hot. He later lived and died in Kauai. Never smoked but developed lung cancer. I on the other hand have been smoking two packs a day for fifty four years and my lungs show up clean.
There was Netherlands study which showed a reduced rate of cancer in MS patients and I have been unable to find any incidents of AIDS with MS.
Carole Gallagher's AMERICAN GROUND ZERO THE SECRET NUCLEAR WAR is a good read.