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The Mel Robbins Podcast #382 · March 29, 2026 · 1h 37m

The Gut Health Episode: Harvard Doctor Reveals What's Normal (and What's Not)

Dr. Trisha Pasricha
Apple PodcastsShow Notes

Harvard gastroenterologist Trisha Pasricha explains why the gut is a second brain — it contains more nerve cells than your spinal cord, produces most of the body's serotonin, and 80% of vagus nerve signals travel upward (gut to brain). 40% of Americans have bowel disruptions affecting daily life but normalize the symptoms. Covers bloating, constipation, hemorrhoid risk from phone use on the toilet, rising early-onset colon cancer, and the gut-stress connection. Evidence-dense and genuinely surprising.

Canon

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The gut is a second brain
The enteric nervous system has more neurons than the spinal cord, produces 95% of serotonin, and 80% of vagus nerve signals go upward (gut to brain). Gut health is foundational to mental health.
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Highlights

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40% of Americans have bowel disruptions but normalize them
15% have IBS, 1 in 7 experience fecal incontinence regularly. Most people think their digestive issues are normal.
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Early-onset colorectal cancer is rising in young adults
Rising rates correlate with ultra-processed food and sugar-sweetened beverages — a concerning global trend that's changing screening recommendations.
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Phone use on toilet dramatically increases hemorrhoid risk
Extended sitting in the toilet position increases pressure on rectal veins. The phone extends the time people spend sitting, creating a direct link between screen time and hemorrhoids.
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Editorial

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Gut feelings are attention signals, not prophecy
Physical gut sensations mean 'pay attention' — they don't predict good or bad outcomes. Your gut perceives something your conscious mind hasn't processed yet.
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References

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You've Been Pooping All Wrong — Trisha Pasricha (2026) — Harvard gastroenterologist's guide to digestive health and the gut-brain connection

Misc

✧Pasricha is director of the Institute for Gut-Brain Research at Beth Israel Deaconess / Harvard
✧Washington Post 'Ask a Doctor' columnist
✧Normal bowel movements: 3x/day to once every 3 days, effortless, under 5 minutes
✧Biofeedback therapy resolves constipation in 80-90% of cases within 8-12 weeks
✧Looking at phone on toilet dramatically increases hemorrhoid risk — extended sitting position