Why It Matters
Understanding the science behind gut feelings helps people make more informed decisions, especially in high‑stakes personal and professional situations where intuition is often over‑relied upon. As the episode shows, recognizing the gut’s role as an early warning system—not a definitive guide—can improve self‑awareness and reduce costly misjudgments.
Key Takeaways
- •Digestion starts in brain, not just gut
- •Gut feelings are physiological messages, not infallible oracles
- •CRH hormone disrupts stomach rhythm during stress or lying
- •Experts can trust intuition; novices should verify gut signals
- •Discomfort signals require analysis, not immediate avoidance
Pulse Analysis
In this episode Adam Grant and Harvard gastroenterologist Trisha Pasricha unpack the brain‑gut axis, revealing that digestion actually kicks off in the brain. The conversation references Pavlov’s classic experiments and the emerging field of neurogastroenterology, showing how thoughts of chocolate cake can trigger salivation, insulin release, and a full‑blown digestive response before food even reaches the mouth. This physiological loop underscores why the gut is uniquely sensitive to mental states, making it a powerful barometer for stress, excitement, and even deception.
Pasricha explains that what we call a "gut feeling" is a real, measurable signal—a change in the stomach’s rhythmic contractions driven by corticotropin‑releasing hormone (CRH). When we lie or encounter a threat, CRH creates an arrhythmic pattern that the brain registers as nausea, butterflies, or a sinking sensation. Rather than treating this signal as an oracle, the hosts argue it should be decoded: the gut alerts us that something in the environment is out of sync with our expectations, prompting a pause to investigate the underlying cause.
The duo then differentiates when intuition is trustworthy. Research shows experts with extensive domain experience can rely on subconscious pattern recognition, while novices in unfamiliar situations should treat gut cues as data points, not decisions. For business leaders, this means using discomfort as a prompt to gather more information, examine biases, and contextualize emotional feedback before committing to high‑stakes moves. By reframing gut signals from a warning to a diagnostic tool, professionals can harness physiological insight without falling into the trap of blind faith.
Episode Description
You’ve probably experienced a “gut feeling” before—that sense of uneasiness in your stomach that tells you something is off, but your brain hasn’t quite worked out what it is yet. But can you really trust what your gut tells you? In this episode, Adam is joined by Harvard gastroenterologist Trisha Pasricha to decode what’s really going on between your mind and your stomach. Trisha breaks down the science behind brain-gut communication and offers tips for when and how to listen to your gut when making decisions or assessing a new environment. She also seeks Adam’s advice on helping doctors empathize with patients’ pain and invites him to rethink his position on poop. Building on her book You’ve Been Pooping All Wrong, she explains what your bowel movements can tell you about your overall health, how to experience “poophoria,” and why you shouldn’t bring your smartphone to the bathroom.
Featured guest
Follow Trisha Pasricha on Instagram, Tiktok, and at trishapasricha.com/
Buy You've Been Pooping All Wrong
Connect with the team
Follow Adam on Instagram, LinkedIn, and at adamgrant.net/
Subscribe to Adam’s substack
Watch ReThinking videos on YouTube at TEDAudioCollective
Follow TED on X, Instagram, Facebook, LinkedIn, and TikTok
For the full text transcript, visit ted.com/podcasts/worklife/worklife-with-adam-grant-transcripts
Learn more about our flagship conference happening this April at attend.ted.com/podcast
Hosted on Acast. See acast.com/privacy for more information.
Comments
Want to join the conversation?
Loading comments...