Hmmm, Greg, that's an interesting question. Anecdotally, Bruce never drank green tea, so that's not a factor for him.
I don't really understand this article, but I found this in pubmed: http://www.ncbi.nlm.nih.gov/pubmed/9...pubmed/9455677
Catherine, wife of Bruce age 75; diagnosed 6/10/11 with macrocytic anemia, neutropenia and mild thrombocytopenia; BMB suggesting emerging MDS. Copper deficient. Currently receiving procrit and neuopogen injections weekly, B12 dermal cream and injections, Transfusions ~ 5 weeks.