The Thyroid Fixer – Episode 558
How HBOT Affects Weight, Sleep, Inflammation and Cancer
Host: Dr. Amie Hornaman
Guest: Dr. Joe Dituri aka "Dr. Deep Sea"
Date: September 5, 2025
Episode Overview
This episode dives deep into Hyperbaric Oxygen Therapy (HBOT) with Dr. Joe Dituri (Dr. Deep Sea), an expert in biomedical engineering and record-holding underwater researcher. Dr. Amie and Dr. Dituri explore the real science behind HBOT, separating facts from hype. They cover HBOT’s impact on sleep, inflammation, weight loss, body healing, aging, and its controversial potential role in cancer prevention and recovery. They also break down the differences between soft- and hard-sided chambers and provide practical, safety-focused guidance for anyone considering the therapy.
Key Discussion Points & Insights
Dr. Joe’s “Dr. Deep Sea” Nickname and Undersea Research
- Dr. Dituri’s Nickname Origin: Came from military deep-sea divers’ tradition and bestowed by a doctoral colleague.
"In the military, when you're a deep sea diver, they call you deep sea... So he's like, you're a deep sea, I'm a deep sea. And then it was Doctor. Oh, Dr. Deep Sea." — Dr. Dituri (08:17)
- 100 Days Underwater: Not a publicity stunt but a tightly monitored biomedical experiment to examine HBOT’s effects on humans in an extreme environment.
“I wanted to do blood, urine, saliva, electrocardiograms... see what happens to a human when you leave them in an isolated, confined, extreme environment.” — Dr. Dituri (09:15)
- Motivated by a love of science, inspiring STEM for youth, ocean advocacy, and demonstration of HBOT’s mechanisms of action.
What Happens to the Human Body Under Constant HBOT?
- Inflammation & Hormones:
- 50% decrease in all inflammatory markers
- Decrease in cortisol; increase in testosterone
- Telomeres lengthened—“10 years younger” by the end of 100 days
- Sleep: Doubled deep and REM sleep percentages (from avg. 30% to 60+%)
“On this occasion, while underwater, 60 to 66% in deep in REM.” — Dr. Dituri (11:32)
- Weight: Lost 23 pounds of body fat in 25 days, without dietary or activity changes
“I ate the exact same food... But I lost 23 pounds in 25 days.” — Dr. Dituri (22:59)
Why Deep and REM Sleep Are Critical (12:32–15:23)
- Normal deep+REM = ~30–33% of sleep; many Americans get just 20%
- In deep/REM, “you relearn, you recategorize, you remember, you recycle, you push things back where they're supposed to be in the brain.”
- Sleep disruption alone can drive a person into pre-diabetic range in just 5 days, as explained by a twin study.
Core Benefits of Hyperbaric Medicine (16:49–19:53)
- 13 known actions including:
- Hyperoxygenation
- Reverse transcriptase (telomere lengthening)
- Toxin inhibition (critical for wounds, infection, and possibly toxins like mold)
- Leukocyte adhesion, fibroblast proliferation (wound healing)
- Anti-inflammatory effects (interleukin and CRP modulation)
- Pressure “sweet spot” varies by goal (e.g., 1.3–1.4 ATA optimal for inflammation; higher for toxin/bacterial issues)
Soft-Sided vs. Hard-Sided Chambers (19:53–21:45, 40:56–44:08)
- Soft-Sided: ~1.3–1.4 ATA, relatively affordable, in-home use. Well-suited for anti-inflammation, basic wound healing, stem cell and collagen production.
- Hard-Sided: ≥2.0 ATA, required for more intense indications (decompression sickness, major infection). Use must be monitored by trained professionals—a legal and safety requirement.
- Safety Emphasis:
“You should be trained to operate a hyperbaric chamber because there are some bad things that could happen. You could have a pulmonary overinflation syndrome... These are things that can happen at as shallow as 0.5 psi.” — Dr. Dituri (44:24)
Weight Loss & Metabolism (22:16–25:53)
- Not positioned as a “weight loss fix,” but a common secondary effect due to increased ATP (cellular energy), better metabolic rate, improved sleep and inflammation reduction.
- Dr. Dituri lost fat (not muscle)—monitored via body composition throughout the study.
- May be especially helpful for people with insulin resistance or type 2 diabetes.
HBOT in Cancer Healing & Prevention (26:28–34:50)
- Potential: Early research—especially on glioblastoma—suggests combining HBOT and metabolic therapies (e.g., ketosis) may shrink certain tumors.
- Controversy: HBOT increases VEGF (angiogenesis), which some cancers exploit.
“You really have to know what you're talking about... you're playing this game of Russian roulette with a patient.” — Dr. Dituri (28:29)
- Does HBOT “kill cancer”? Not across the board; possibly preventive or adjunctive, NOT a magic bullet and certainly not universal for all types.
Healing, Collagen, & Stem Cells (36:22–40:41)
- HBOT boosts collagen synthesis and stem cell proliferation (up to 8x more stem cells).
- Even low-pressure (1.3 ATA) treatments can double circulating stem cells after 5 sessions.
- Critical for post-surgery recovery, plastic surgery outcomes, and general tissue repair.
“Every single cell in your body... most cells in your body are made up of collagen, right? So if you can synthesize collagen, which hyperbaric oxygen does, you can heal faster.” — Dr. Dituri (36:22)
Practical Safety & Facility Advice (44:08–49:43)
- Only use properly certified centers with trained staff; check for FDA-approved equipment and a visible “red binder” of emergency procedures and certifications.
- Never bring electronic devices with batteries inside the chamber—risk of fire, even in soft-sided units.
- Don't “stack” physical modalities inside the chamber (e.g., working out, red light therapy) due to risk of explosion.
EWOT (Exercise With Oxygen Therapy) vs. HBOT (50:34–52:51)
- EWOT is helpful for what it targets (cardio, oxygen delivery) but can’t replicate all HBOT benefits.
- Not interchangeable; use as complementary, not substitute.
Five Longevity Cures (53:58–58:01)
Dr. Dituri’s practical shortlist for living longer:
- Build/maintain muscle mass with strength training
- Hydrate—about a gallon of water a day
- Have faith/purpose to strengthen neurological resilience
- Engage in therapies that lengthen telomeres (like HBOT and healthy living)
- Avoid environmental and dietary toxins
“This is the one ride you got. You need that faith to get you there, is my opinion.” — Dr. Dituri (57:28)
Stress and Adaptation (58:01–60:04)
- Modern stress isn’t “saber tooth tiger” stress—balance physiological stress (sauna, cold, fasting) to activate longevity genes.
- Emphasize gratitude and the value of life balance.
Memorable Moments & Quotes
- On sleep and disease:
“[Lack of deep/REM]... In five days, he was basically type 2 diabetic. Five days. Yeah, that's how important it is.” — Dr. Amie (14:23)
- On safety:
“If you don't know what a POIS is, you goddamn sure shouldn't be operating a hyperbaric chamber.” — Dr. Dituri (44:24)
- On gratitude and perspective:
“Gratitude is one of those secret sauces... Then I go, oh, yeah, that's right, I'm supposed to be grateful, damn it. Yeah, I got to remember to be grateful.” — Dr. Dituri (58:01)
- On life and HBOT:
“Hyperbaric oxygen doesn't cure anything, but it helps the body to heal itself, which it does grandly, if you only let it.” — Dr. Dituri (36:22)
Notable Segment Timestamps
| Topic | Timestamp |
|----------------------------------|-------------|
| Dr. Deep Sea Introduction/Nickname| 08:12–08:49 |
| Why Spend 100 Days Underwater | 09:15–11:00 |
| Major Findings: Inflammation, Sleep, Weight | 11:32–13:12 |
| Sleep’s Link to Weight & Insulin | 14:23–16:02 |
| Mechanisms of HBOT | 16:49–19:53 |
| Chamber Types – Pros/Cons | 19:53–21:45 |
| Weight Loss Details | 22:16–25:53 |
| HBOT & Cancer | 26:28–34:50 |
| Healing, Stem Cells, & Collagen | 36:22–40:41 |
| How to Choose a Safe Facility | 44:08–49:43 |
| What NOT to Do in the Chamber | 47:44–50:34 |
| EWOT vs. HBOT | 50:34–52:32 |
| Top 5 Longevity Cures | 53:58–58:01 |
| Stress, Adaptation, & Perspective| 58:01–60:04 |
Actionable Takeaways
- For HBOT: Seek certified clinics; never use HBOT unsupervised or unsafe equipment.
- For healing, sleep, and metabolism: Focus on basics—hydration, exercise, dietary choices, sleep hygiene.
- HBOT’s role: Most likely as a strong adjunct for healing and prevention, not as a “cure” or shortcut.
- Be a critical health consumer: Verify claims, look for science, and always consult medical professionals.
Where to Find Dr. Deep Sea
- Website: www.doctordeepsea.com
- Instagram & socials: @DrDeepSea
This episode brings hard science, practical advice, and empowering perspective for anyone considering HBOT as part of their health and healing journey.