Dr. Gurevich leads us in a discussion about small intestinal bacterial overgrowth (SIBO) and its connection to other gastrointestinal issues. They explain that SIBO occurs when there is an overgrowth of bacteria in the small intestine, often caused by a dysbiotic event such as antibiotic use or foodborne illness. The hosts emphasize the importance of addressing other potential causes of gastrointestinal symptoms, such as parasites, worms, and structural issues. They also discuss the different types of SIBO and the challenges of testing and treating the condition. Overall, the episode provides valuable insights into the complex nature of SIBO and its relationship to other gastrointestinal disorders.