News Finding: Healthy Gut Bacteria Can Extend Lifespan: 
Paper Finding: Our study demonstrates that regulating host/commensal interactions in barrier epithelia can significantly delay age-related pathologies and extend lifespan.
News Context: Healthy Gut Bacteria Can Extend Lifespan: 
Paper Context: Further studies are needed to resolve this question. Our study demonstrates that regulating host/commensal interactions in barrier epithelia can significantly delay age-related pathologies and extend lifespan. We show here, however, that lifespan extension can be achieved by improving innate immune homeostasis to stabilize the gut microbiota rather than by eliminating all bacteria from the gut.