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The Real Cause of IBS No One Talks About: The Gut Brain Axis
An IBS diagnosis gets handed to you when everything else is ruled out—so it feels like the diagnostic equivalent of a shrug.
Where do you go from there?
On this episode of Medical Disruptors, I sit down with Dr. Will “Dr. B” Bulsiewicz—a classically trained gastroenterologist who rebuilt his approach after getting sick himself.
Dr. B maps IBS as a gut–brain axis disorder. A disrupted microbiome derails motility and sensitizes the enteric nervous system. That’s why scopes can look clean while symptoms rage.
We cover celiac testing pitfalls, why diagnosis is still by exclusion, and how early “normal” labs don’t rule out emerging disease.
If you’ve been living around a bathroom or gave up after your IBS label, this conversation is your pivot point.
Check Out My Medical Disruptor Merch: drefratlamandre.com/merch
Looking to schedule a consultation with Dr. E? Book here: drefratlamandre.com/consult
Check us out on social media:
drefratlamandre.com/instagram
drefratlamandre.com/facebook
drefratlamandre.com/tiktok
#functionalmedicine #drefratlamandre #medicaldisruptor #NPwithaPHD #nursepractitioner #medicalgaslighting
Chapters
[00:00:00] Introductions
[00:01:05] Elite training arc
[00:03:30] Burnout and crash
[00:25:28] IBS as exclusion
[00:33:25] Gut–brain axis explained
Learn more about your ad choices. Visit megaphone.fm/adchoices
View all episodes
By Dr. Efrat LaMandre PhD, FNP-C
5
4141 ratings
An IBS diagnosis gets handed to you when everything else is ruled out—so it feels like the diagnostic equivalent of a shrug.
Where do you go from there?
On this episode of Medical Disruptors, I sit down with Dr. Will “Dr. B” Bulsiewicz—a classically trained gastroenterologist who rebuilt his approach after getting sick himself.
Dr. B maps IBS as a gut–brain axis disorder. A disrupted microbiome derails motility and sensitizes the enteric nervous system. That’s why scopes can look clean while symptoms rage.
We cover celiac testing pitfalls, why diagnosis is still by exclusion, and how early “normal” labs don’t rule out emerging disease.
If you’ve been living around a bathroom or gave up after your IBS label, this conversation is your pivot point.
Check Out My Medical Disruptor Merch: drefratlamandre.com/merch
Looking to schedule a consultation with Dr. E? Book here: drefratlamandre.com/consult
Check us out on social media:
drefratlamandre.com/instagram
drefratlamandre.com/facebook
drefratlamandre.com/tiktok
#functionalmedicine #drefratlamandre #medicaldisruptor #NPwithaPHD #nursepractitioner #medicalgaslighting
Chapters
[00:00:00] Introductions
[00:01:05] Elite training arc
[00:03:30] Burnout and crash
[00:25:28] IBS as exclusion
[00:33:25] Gut–brain axis explained
Learn more about your ad choices. Visit megaphone.fm/adchoices
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