Now i know ... I did a research for CBS mutation. I found out that homozygous mutations have more E.coli bacteria in the gut. More E.Coli and higer CBS enzym produce more H2S. H2S is the big problem in CFS/ME. So when this would be the issue in CFS\ME al or other mutstions cost a imbalance in gut bacterie and produce also toxins? So whe cant change our genetics ( gut flora), but whe van change out gut flora .. So in this opinie as whe have a really healthy good donor whe can change pur genetics??? What do you guys think?