Peter Attia· MD
when Jina Lee brought me her irisin data I said oh okay I sort of believe it but you know ir and antibodies have a terrible reputation let's look at the precursor protein FN dc5 in the muscle and uh we decided not to publish it until we had both the irin in plasma and the fndc5 by Western blot in muscle and they were they were paralleling one another so very well that I believed that I believed both of them now