User blog comment:Thailog/Ep. 204 "Salvage" discussion/@comment-5069635-20120523073428/@comment-101.161.136.87-20120524114831

didnt do bio so dont know exact name but was around enough people to know what internal aging is, but there's a gene-ish thing in dna that splits as you age, halfing exponentially it reaches a limit, age death, not immortal. Although since his dna cocktail is what causes him to not age physically, it might be the reverse of this....