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Understanding hyperbaric medicine
Clear, evidence-graded answers about hyperbaric oxygen therapy — where the medicine is strong, where the research is promising, and how to read the difference.
How we grade the evidence
- EstablishedAn FDA-cleared / UHMS-recognized use supported by strong clinical evidence.
- EmergingPromising human research exists, but studies are early, small, or need replication.
- InvestigationalMechanistically plausible and studied, but not proven; treat claims with skepticism.
How Hyperbaric Oxygen Actually Works: Oxygen Under Pressure, Explained
No mysticism, just physics and biology: what actually happens in your body when you breathe pure oxygen under pressure.
Read articleWhat Is HBOT Actually Proven to Treat? The Evidence, Graded Honestly
The single most useful thing a patient can know about hyperbaric oxygen: where the solid medicine ends and the speculation begins.
Read articleHard-Shell vs. Soft-Shell Chambers: Why the Difference Is Bigger Than It Looks
The chamber you sit in determines what treatment you're actually getting. Here's how to tell medical HBOT from a wellness accessory.
Read articleIs Hyperbaric Oxygen Therapy Safe? Risks, Contraindications, and Smart Questions
HBOT has a strong safety record in clinical settings — with real caveats worth understanding before your first session.
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Oxygen and Wound Healing: How Pressure Helps the Body Rebuild
Wound healing is where HBOT's evidence is strongest — and even here, the honest story has nuance worth knowing.
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HBOT After Surgery: What the Evidence Says About Recovery
Some surgical uses of HBOT are firmly established; others are promising but unproven. Knowing which is which protects you.
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Hyperbaric Oxygen and the Aging Cell: The Telomere Study, Explained
A 2020 study made headlines for "reversing aging." Here's what it actually found — and what it didn't.
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Can Hyperbaric Oxygen Sharpen an Aging Brain? What a Controlled Trial Found
A randomized trial in healthy older adults found real cognitive gains. Here's the encouraging — and appropriately limited — story.
Read articleHBOT for Concussion and Brain Injury: Real Promise, Real Uncertainty
Persistent symptoms after a brain injury are devastating and under-treated. Here's an honest look at whether HBOT can help.
Read articleLong COVID and Hyperbaric Oxygen: A Careful Look at the Evidence
Some randomized trials report meaningful improvements. A placebo-controlled trial urges caution. Both are worth understanding.
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Does Hyperbaric Oxygen Help Athletes? Separating Signal From Hype
Pro athletes swear by it. The controlled evidence is more mixed than the marketing suggests. Here's the real picture.
Read articleHBOT and Longevity: What We Can and Can't Say Yet
The honest state of hyperbaric oxygen as a longevity tool — the real research, the real limits, and how to spot overreach.
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