I think that was Hulda Clark’s theory about cancer too. She was big on walnut hull oil tincture to kill parasites that would eliminate cancer. I thought she was nuts!
Hulda Clark.... I skimmed some of her books. She was big back in the day. She also used some electrical devices that can be bought on eBay.
I remember her use of black walnut tincture which is/was a biggie in herbal medicine before she came along. This tincture used as anti-Parasite and dewormer too.
I mentioned a book above, but couldn't remember the name of the author. But I remember her picture. It was Hulda Clark. I figured she was a quack. But it turns out she conned a lot of people, eh? Very sad.