『The Gastro Truth with Dr. Mel Ona』のカバーアート

The Gastro Truth with Dr. Mel Ona

The Gastro Truth with Dr. Mel Ona

著者: Mel Ona
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Board-certified gastroenterologist with graduate training in nutritional biochemistry. 10,000+ patients treated. Thousands of procedures performed.


On this Podcast, Dr. Mel Ona breaks down gut health, digestive symptoms, nutrition science, colon cancer prevention, and disease detection in plain language you can actually use.


No sponsors. No supplement sales. No hype.


Just evidence-based answers from a GI doctor who practices what he teaches.


Topics include: bloating, acid reflux, IBS, colonoscopy, gut microbiome, fiber, fatty liver disease, probiotics, and health optimization for busy professionals.


New episodes weekly.


Subscribe for gut health guidance you can trust.

© 2026 The Gastro Truth with Dr. Mel Ona
衛生・健康的な生活 身体的病い・疾患
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  • Colonoscopy in West Oahu: What to Expect and How to Choose the Right Doctor
    2026/07/09

    📌 Visit www.drmelona.com

    If you live in West Oahu and you've been told you need a colonoscopy, or you know you're overdue and you're finally doing something about it, this video is for you.

    Most people put it off because of fear. What they do not know is that the procedure itself is not the hard part, and waiting is not the safe option.

    I have had two colonoscopies myself without sedation and recorded both so patients could see exactly what the procedure involves. Those videos have been watched over 65,000 times. The comment I see most often: I was terrified, I watched your video, I went and got it done, and it was nothing like I thought.

    In this video, I'm going to walk you through what to actually expect, why getting it done matters more than most people realize, and what to look for when choosing a provider in West Oahu.

    ⏱️ TIMESTAMPS
    0:00 Colonoscopy in West Oahu: What to Expect and How to Choose the Right Doctor
    0:20 Addressing the fear most people have
    0:46 What to actually expect: prep vs. procedure
    1:04 Why colonoscopy prevents cancer, not just detects it
    1:43 Current guidelines and who is already behind on screening
    1:57 What to look for when choosing a provider in West Oahu
    2:04 AI-assisted polyp detection and why it matters
    2:47 A dedicated endoscopy center vs. a general hospital setting
    3:10 Why your personal and family history must shape your screening plan
    3:26 A patient who waited nearly a decade too long

    ❓ QUESTIONS ANSWERED

    Q: What should I expect during a colonoscopy?
    A: The bowel preparation is the most uncomfortable part for most people. The procedure itself is done with sedation, and most patients sleep through it entirely. The number I hear most often from patients afterward: it was nothing like I thought. (0:46)

    Q: Is a colonoscopy a cancer prevention test or a cancer detection test?
    A: It is both, and the distinction matters. During the procedure, if we find precancerous growths called polyps, we remove them on the spot in that same session before they ever have a chance to become cancer. A mammogram finds cancer after it has formed. A colonoscopy can stop colorectal cancer from developing in the first place. (1:04)

    Q: What should I look for when choosing a colonoscopy provider in West Oahu?
    A: Three things matter most. First, whether the practice uses AI-assisted polyp detection, which acts as a second set of eyes during the procedure and improves the rate at which precancerous growths are found. Second, whether the facility is a dedicated endoscopy center designed specifically for these procedures. Third, whether your doctor reviews your personal and family history before the procedure to determine your correct screening interval. (1:57)

    📱 RESOURCES
    Website: www.drmelona.com
    Patient Portal: https://drmelona.com/patient-portal/
    Unsedated Colonoscopy Video: https://www.youtube.com/watch?v=-Vz1IXF0rmo
    Instagram: https://www.instagram.com/polymathforever/
    Facebook: https://www.facebook.com/doctormelona

    🔔 Subscribe for evidence-based digestive health, nutrition science, and disease prevention from a board-certified gastroenterologist.

    ABOUT DR. MEL ONA:
    I'm Dr. Mel Ona, a board-certified gastroenterologist with graduate training in nutritional biochemistry and metabolism. I founded Ohana Gastroenterology and have treated over 10,000 patients across nine years of clinical practice. My focus is evidence-based digestive health, nutrition science, and disease prevention.

    #ColonoscopyScreening #ColonCancerPrevention #Gastroenterologist #PreventiveHealth #DigestiveHealth

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    4 分
  • 7 Signs You Might Have SIBO (That Most Doctors Don't Test For)
    2026/07/09

    📌 Visit www.drmelona.com

    You could go through a colonoscopy, full bloodwork, and walk out with a clean bill of health. And still have the exact problem producing every one of your symptoms. Clean results do not mean nothing is wrong. They mean the test was not looking in the right place.

    I'm Dr. Mel Ona, a board-certified gastroenterologist in Hawaii. This episode covers 7 signs that point toward bacterial overgrowth in the small intestine, why most doctors never connect them, and exactly what to say at your next appointment to get the right test ordered.

    ⏱️ TIMESTAMPS
    0:00 7 Signs You Might Have SIBO (That Most Doctors Don't Test For)
    0:44 Sign 1: Bloating that arrives within 60 to 90 minutes of eating
    3:00 Sign 2: Probiotics that made your symptoms measurably worse
    4:21 Sign 3: Post-meal fatigue and brain fog tied to eating
    5:48 Sign 4: Two patterns in your medical history most doctors never ask about
    8:11 Sign 5: Why clean test results mean the wrong test was ordered
    10:12 Sign 6: The exact words to say to get the right test ordered

    ❓ QUESTIONS ANSWERED

    Q: What are the signs of SIBO?
    A: The most consistent sign is bloating that arrives within 60 to 90 minutes of eating, especially after carbohydrates. That timing indicates fermentation happening in the small intestine, where bacteria do not belong. Other signs include unpredictable bowel patterns, post-meal fatigue, and a food trigger list that keeps expanding without a clear pattern. (0:44)

    Q: Can a colonoscopy diagnose SIBO?
    A: No. A colonoscopy evaluates the large intestine. SIBO exists in the small intestine, which the colonoscopy does not reach, and no standard test measures bacterial populations there. A patient can pass every standard GI workup with completely normal results and still have SIBO producing all of their symptoms. (8:11)

    Q: What test actually diagnoses SIBO?
    A: The hydrogen breath test is the standard noninvasive test. You drink a sugar solution and breathe into collection tubes at intervals over a few hours while the test measures whether bacteria in the small intestine are fermenting the sugar before your body can absorb it. It has been in clinical use for decades and is still rarely ordered as part of a standard GI workup. (9:26)

    📱 RESOURCES
    Website: www.drmelona.com
    Patient Portal: https://drmelona.com/patient-portal/
    Unsedated Colonoscopy
    Video: https://www.youtube.com/watch?v=-Vz1IXF0rmo
    Instagram: https://www.instagram.com/polymathforever/
    Facebook: https://www.facebook.com/doctormelona

    🔔 Subscribe for evidence-based digestive health, nutrition science, and disease prevention from a board-certified gastroenterologist.

    ABOUT DR. MEL ONA:
    I'm Dr. Mel Ona, a board-certified gastroenterologist with graduate training in nutritional biochemistry and metabolism. I founded Ohana Gastroenterology and have treated over 10,000 patients across nine years of clinical practice. My focus is evidence-based digestive health, nutrition science, and disease prevention.

    #GutHealth #Gastroenterologist #DigestiveHealth #GutMicrobiome #GIDoctor

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    13 分
  • Best Gastroenterologist in West Oahu (What to Look For Before You Book)
    2026/07/02

    📌 Visit www.drmelona.com

    If you have been searching for the best gastroenterologist in West Oahu and you are not sure who to actually trust with your digestive health, this episode is specifically for you.

    Most patients filter by location, availability, or which doctor their insurance covers. These are not bad starting points. But they tell you nothing about the quality of care you are actually going to receive.

    A gastroenterologist who accepts your insurance and has a convenient location might also rush you through a ten-minute visit, hand you a prescription that does not solve your problem, and send you home without ever identifying the root cause of your symptoms.

    In this episode, I'm going to walk you through four things to look for before you book with any GI doctor, so you do not end up on a revolving door of appointments that never resolve anything.

    ⏱️ TIMESTAMPS
    0:00 Best Gastroenterologist in West Oahu (What to Look For Before You Book)
    0:24 The filter most patients use, and why it misses what matters
    1:03 What actually separates a good GI doctor from a great one
    1:44 What to look for 1: Root cause thinking, not symptom management
    2:05 What to look for 2: Access to advanced diagnostic technology
    2:22 AI-assisted polyp detection and why it matters for your safety
    3:04 What to look for 3: A physician who listens and explains clearly
    3:50 What to look for 4: A commitment to prevention, not just treatment
    4:38 Why waiting until you are symptomatic may already be too late

    ❓ QUESTIONS ANSWERED

    How do I choose the best gastroenterologist in West Oahu?
    Look for a physician who focuses on root causes rather than just prescribing medication, uses advanced tools like AI-assisted polyp detection, and takes colorectal cancer screening seriously for every patient.

    What is AI-assisted polyp detection and why does it matter?
    It acts as a second set of eyes during a colonoscopy and has been shown to improve detection rates. A polyp missed during one colonoscopy can develop into cancer before the next screening cycle. Dr. Mel Ona introduced this technology to Hawaii in 2022.

    When should I get a colonoscopy screening?
    Colorectal cancer screening typically starts at age 45, though your personal and family history may require starting earlier. A prevention-minded gastroenterologist will factor both into your individual screening plan.

    📱 RESOURCES
    Website: www.drmelona.com
    Patient Portal: https://drmelona.com/patient-portal/
    Unsedated Colonoscopy Video: https://www.youtube.com/watch?v=-Vz1IXF0rmo
    Instagram: https://www.instagram.com/polymathforever/
    Facebook: https://www.facebook.com/doctormelona

    🔔 Subscribe for evidence-based digestive health, nutrition science, and disease prevention from a board-certified gastroenterologist.

    ABOUT DR. MEL ONA:
    I'm Dr. Mel Ona, a board-certified gastroenterologist with graduate training in nutritional biochemistry and metabolism. I founded Ohana Gastroenterology and have treated over 10,000 patients across nine years of clinical practice. My focus is evidence-based digestive health, nutrition science, and disease prevention.

    #GutHealth #Gastroenterologist #DigestiveHealth #ColonCancerPrevention #ColonoscopyScreening

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    5 分
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