Comprehensive Gut Microbiota, Three Volume Set provides new insights into gut microbiota as a critical mediator of human health and well-being. Comprehensive chapters, split across three volumes, present trusted and authoritative sources of information for novel human gut microbiome and health research. Contents: 1. Gut Microbiota: A New Organ; 2. Host Bacterial Symbiosis; 3. Dysbiosis: GI Microbial Disbalance; 4. Changes of Microbiota During Host Lifespan and Development; 5. Impact of Microbiome on Human Health; 6. Food, Nutrition and Gut Microbiota; 7. Microbiome, therapeutics application and epigenetics; 8. Microbiota Beyond the Gut.