Claims for traumatic brain injury, stroke, cognitive decline and “brain optimisation” remain disputed or investigational.

Oxygen & Hyperbaric - Clinical uses

Brain injury and cognitive claims

Last reviewed 3 August 2026. How we write this.

Claims for traumatic brain injury, stroke, cognitive decline and “brain optimisation” remain disputed or investigational.

Small trials can be difficult to interpret because pressure itself may have biological effects, complicating sham controls. Improvements after injury can also occur over time.

Read beyond the headline

Was the condition clearly diagnosed?
Was allocation randomised?
Was the comparison truly inert?
Were outcomes clinically meaningful and replicated?

Educational content only. This does not diagnose, treat or replace individual advice from an appropriately qualified clinician.

Related in this classroom

Recognised medical indications for HBOT (9 min read)
HBOT for selected wounds and tissue injury (8 min read)
Hard vs soft chambers: ATA, safety and what to ask (7 min read)
Ear, sinus, lung and oxygen safety (8 min read)

Sources for this classroom

Educational content only. Not medical advice, diagnosis or treatment. Always consult a qualified healthcare professional before changing your health regimen.