Research & Education
The History of Hyperbaric Oxygen Therapy
From early pressurised air baths to modern hyperbaric medicine — how the field developed and why it matters for reading claims today.
· Hyperbaric Wellness Guide Editorial
The short answer
Hyperbaric medicine developed from work on diving physiology and decompression illness, where pressurised environments were shown to have clear physiological effects. Over the twentieth century, chambers moved into hospital settings, and medical societies gradually defined the indications for which hyperbaric oxygen therapy is considered appropriate.
Pressure before medicine
Interest in compressed-air environments predates modern medicine, with early pressurised air facilities used long before the physiology was understood.
Serious understanding came from diving and caisson work, where decompression illness demonstrated in dramatic terms how gases behave under pressure in the human body.
Into clinical practice
As oxygen delivery and chamber engineering advanced, hospitals began operating hyperbaric units, and specialist societies formed to standardise practice, training and safety.
Over time, evidence reviews produced the approved-indication lists that guide clinical hyperbaric medicine today.
The wellness era
Portable soft-shell chambers introduced hyperbaric exposure to gyms, recovery studios and homes. This expanded access but also blurred public understanding of the difference between clinical treatment and wellness use.
Knowing that history makes it easier to interpret marketing: a claim borrowed from clinical hyperbaric medicine does not automatically apply to a mild portable chamber.
Reading the literature today
Books and popular science writing have played a large role in public interest in hyperbaric oxygen. They are useful for context, but a book is not a clinical guideline.
When evaluating any claim, look for the pressure used, the population studied, the control group and whether the finding has been replicated.
People also ask
Who invented the hyperbaric chamber?
Hyperbaric chambers evolved over centuries through many contributors in engineering, diving and medicine rather than a single inventor.
Is hyperbaric medicine a recognised specialty?
Yes. Hyperbaric and diving medicine is a recognised clinical field with professional societies, training pathways and accredited facilities.
Where can I read more?
Peer-reviewed literature, professional society publications and general-audience books all offer different levels of rigour.
Research and further reading →