Why We Need to Talk About Poop

One in three people avoid seeing a doctor because they're too embarrassed to talk about their bowel movements — and that silence is costing lives. Tricia Pasricha, a neurogastroenterologist at Harvard Medical School, argues that the real problem isn't just constipation or diarrhea, but the cultural taboo around discussing poop. She reveals that our gut isn't just a digestive organ — it's a second brain with 500 million nerve cells, communicating with the brain via the vagus nerve. This gut-brain axis means stress, trauma, and even childhood experiences can rewire our digestive system for life, leading to IBS, chronic pain, and even increasing the risk of Parkinson’s disease. Pasricha’s new book, *You've Been Pooping All Wrong*, debunks myths — like the idea that everyone must poop daily — and offers science-backed solutions: eat more fiber, cut ultra-processed foods, manage stress, and stop dismissing gut symptoms as 'all in your head.' The most shocking revelation? For some, Parkinson’s may start in the gut decades before brain symptoms appear, traveling up the vagus nerve. This isn’t just about bathroom humor — it’s about survival, early detection, and redefining what it means to be healthy. The episode dismantles the stigma around bowel health with startling clarity. Pasricha shows that the gut isn’t passive — it’s a dynamic, intelligent system that shapes our mood, mental health, and long-term disease risk.