Blue Zones are regions where people live well into old age, often past 100 and in remarkably good health. What makes these communities so resilient? Is it diet? Genes? Or something deeper embedded in their social and cultural fabric? On this episode of #ConsiderThis Melisa Idris speaks with Belgian demographer Michel Poulain, who initiated the first Longevity Blue Zone in Sardinia more than two decades ago. He is also a Professor Emeritus at UCLouvain in Belgium and a Senior Researcher at the Estonian Institute for Population Studies at Tallinn University.