Send us Fan Mail A father’s death from pancreatic cancer sparks a decades-long hunt for a better answer, and it leads to one surprising place: the cell walls of baker’s yeast. We’re joined by Mike Catto, a researcher and biotech founder, to unpack beta-glucan and why the specific 1-3/1-6 linkage he works with matters for immune modulation and cancer immunotherapy. We walk through Mike’s path from early biopolymer work to acquiring failed injectable beta-glucan patents, rebuilding the process...