Sorry. Yeah, my mother suffered her whole life with it and never new it. She was in a wheelchair for the last 10 years of her life with all kinds of issues. It

Sorry. Yeah, my mother suffered her whole life with it and never new it. She was in a wheelchair for the last 10 years of her life with all kinds of issues. It was our kidney issues that tipped me off. That is the reason I went into the genetics, because she, and several other in my family have the same issues. If anyone is interested, it seems it is partly (mostly?) caused by a Purine nucleoside phosphorylase deficiency. (PNP gene) https://pubmed.ncbi.nlm.nih.gov/28859258/ https://pubmed.ncbi.nlm.nih.gov/28859258/