@speechie -- From my experience in finding out about Fu Ling it is just an herb used for various medicinal remedies, which I would find out more as the article suggested from a TCM person.
I have always been wary of fungus, I mean come on, it is fungus! That is the stuff we talked about growing between our toes, but I have found so many good mushrooms to eat and now of course I am learning about how they might be able to heal. Who knew? A healing fungus!