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Re:Thinking with Adam GrantCan you trust your gut? with GI doctor Trisha Pasricha | ReThinking
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At a glance
WHAT IT’S REALLY ABOUT
Gut feelings decoded: physiology, bias, and practical gut-health advice today
- Digestion begins in the brain, with thoughts and emotions rapidly changing gut activity through the gut–brain axis studied in neurogastroenterology.
- A “gut feeling” reflects physiological signals (including stress-driven rhythm changes) that should prompt pausing and interpreting context, not acting as an oracle.
- People over-trust gut instincts due to salience and memory bias—especially after being “burned”—and because discomfort is often misread as danger rather than novelty or growth.
- Common GI misconceptions are challenged, including overhyped probiotics and detox/colon cleanses, while emphasizing fiber, sleep, exercise, and fewer ultra-processed foods.
- The conversation extends to practical issues: advocating for women’s pain in medicine, addressing health misinformation through trust in reasoning processes, and everyday bowel-health tips (posture, avoiding phone time on the toilet).
IDEAS WORTH REMEMBERING
5 ideasDigestion starts in the brain, not the stomach.
Mental imagery and emotion can trigger salivation, insulin release, and gut “revving” before food arrives, showing how strongly cognition influences digestion.
A gut feeling is a signal to slow down, not a verdict.
Stress hormones can disrupt stomach rhythms quickly, sometimes before conscious reasoning catches up; the right move is to pause and ask what threat, novelty, or bias might be driving it.
Discomfort is often misclassified as a “bad gut feeling.”
The amygdala processes emotion and novelty—not just fear—so butterflies or unease can indicate unfamiliarity or challenge rather than genuine danger.
Trust intuition mainly when you have expertise in a stable domain.
The discussion highlights research suggesting gut intuitions are more reliable when built on extensive experience and predictable patterns; big life choices often lack both.
Most probiotic marketing outpaces the evidence.
She argues probiotics are not recommended for most conditions because benefits are murky, and money spent on them can distract from better-supported lifestyle interventions.
WORDS WORTH SAVING
5 quotesDigestion begins in the brain, and we've known that digestion begins in the brain for a very long time.
— Trisha Pasricha
I think the way we get it wrong, though, is that we take that gut feeling and then we assign some value to it.
— Trisha Pasricha
It's not an oracle. It's just a message, and that message is just that you need to slow down.
— Trisha Pasricha
Your liver is the cleanse that you need. Like, there is nothing, there is no celery juice you could sip that is gonna do a better job than your liver.
— Trisha Pasricha
The first one is this, this should not be on women. This should be on medical professionals. Period, right?
— Adam Grant
SPEAKERS
Trisha Pasricha
guestGastroenterologist and gut–brain researcher (GI doctor) focused on neurogastroenterology.
Adam Grant
hostPsychologist and podcast host known for interviewing experts on work, behavior, and ideas.
High quality AI-generated summary created from speaker-labeled transcript.
