Hi teacups.
I'm just going back in time and posts, and saw this question. If you are still interested, a good place to start is with books by Michio Kuchi.
Hubby did a beyond-strict macrobiotic diet where he wasn't even allowed fish. Fish are too toxic, especially the kind we get in America, so his ND wouldn't let him eat it. He did the diet to heal a brain tumor (benign but growing so fast the diagnosing docs gave him 6 months) that was inoperable, and for which he was uncomfortable with radiation (side effects of radiation on the brain were not OK with him). He left the medical side of things, found an ND who would help him, and went on the extremely strict macro diet. Along with that, enzymes, and hyperbaric chamber treatments (all out of pocket when he was only making something like 20K a year in Seattle), he also had regular MRIs, and the tumor start to substantially shrink inside 10 months, and it was GONE within 6 months after that.
Hey, it's been over 10 years now, yay!
He stayed on the macro diet for awhile after it was gone, then begged the doc to let him eat meat again. Was reluctantly allowed, went into a meat-fest, and wound up in the hospital with kidney failure...back onto the macro diet, didn't learn that his body can't deal with it, and started to eat meat again...then he met me and I stated clearly that I don't date omnivores (which was a brand new rule for me, after dating omnivores who were embarrassed to date a vegetarian and caused all sorts of problems when out in public as I tried to be discreet about, you know, ordering veggie burgers and such), so he stuck with being a veggie. He's not macro anymore, but vegetarian.
OK I went on a tangent there (always hafta tell "the rest of the story"), but the point is that Kuchi is a good place to start (good story about Dirk Benedict and testicular cancer in the book I have), and that it's really good to get rid of some really scary health conditions!