Knowledge Library

Everything you ever wanted
to know about hyperbaric oxygen.

The most comprehensive hyperbaric oxygen resource in the UK. The telomere-lengthening evidence, cognitive data from Tel Aviv University, the difference between 1.3 ATA wellness chambers and hospital-grade 2.0+ ATA, and how to make HBOT a habit. Built and maintained by R1SE Sheffield, home of the Kelham Urban Spa.

+38%

T-cell telomere length increase after 60 sessions

Hachmo et al., Aging 2020 (Tel Aviv University)

−33%

senescent T-cells reduction after 60 sessions

Hachmo et al., Aging 2020

~3×

tissue oxygen delivery at 2.0 ATA

Standard hyperbaric physiology, Boerema 1960

8 / 9

cognitive domains improved in healthy older adults

Hadanny et al., Aging 2020

Full citations and additional outcomes on the Science of HBOT page.

The Library

Pick a topic. Each page is fully cited.

Evidence

The Science of HBOT

Telomere length up 38%. Senescent T-cells down a third. Every claim properly cited — Hachmo, Hadanny, Efrati, Boussi-Gross. Start here.

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Applications

Conditions HBOT Treats

Post-concussion. Long COVID. Diabetic ulcers. Fibromyalgia. Stroke recovery. What the evidence supports — and what it doesn't yet.

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Start Here

HBOT for Beginners

Never been in a chamber? What to expect, how to equalise your ears, what to wear, and the first three sessions that build the habit.

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At R1SE

HBOT at R1SE Sheffield

Our chambers, our protocols, our pricing. What a session at R1SE Kelham looks like, from check-in to first descent.

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Outcomes

The Benefits of HBOT

Sleep, cognition, recovery, skin, energy, immunity and longevity. Mechanism, evidence, and the R1SE protocol that targets each.

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Practice

How to Use HBOT

Six protocols based on published trials — beginner intro, recovery, cognitive, longevity (Hachmo), post-concussion, long-COVID. Plus the Hadanny air-break technique.

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Choose