Hydrogen Water Protects Brain After Stroke in Rabbit Study
Hydrogen-rich saline alleviates early brain injury via reducing oxidative stress and brain edema following experimental subarachnoid hemorrhage in rabbits
Research hubs: Brain & Nervous System · Cardiovascular System
This research was done in animals. Results in animals often don't carry over to people.

- Evidence type
- Animal study (rabbit)
- Authors
- Zong Zhuang, Meng-Liang Zhou, Wan-Chun You, Lin Zhu, Chi-Yuan Ma, Xue-Jun Sun, Ji-Xin Shi
- Journal
- BMC Neuroscience
- Year
- 2012
- PMID
- 22587664
- Study Type
- Rabbit
- Delivery
- Saline (Dissolved)
- Duration
- 3 days
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 83 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Breathing in hydrogen gas can reduce brain damage and swelling caused by bleeding around the brain in rabbits, but it doesn't clearly improve their neurological health.
Key Finding
Hydrogen-rich saline reduced oxidative stress markers and brain swelling in rabbits with experimental brain bleeding, though it did not substantially improve neurological outcomes.
Summary
Researchers gave hydrogen-rich saline (a salt solution containing dissolved hydrogen) to rabbits that had experienced a type of brain bleeding called subarachnoid hemorrhage. They found that hydrogen treatment reduced markers of cell damage and brain swelling compared to untreated rabbits, though it did not noticeably improve the rabbits' neurological function or behavior.
Practical Takeaway
This animal study suggests hydrogen may help protect brain tissue from damage after certain types of bleeding, but the results are preliminary—conducted only in rabbits with no improvement in actual neurological function observed. Much more research, including human studies, would be needed before drawing any conclusions about hydrogen's potential therapeutic use in this condition.
Abstract (excerpt)
Abstract Background Increasing experimental and clinical data indicate that early brain injury (EBI) after subarachnoid hemorrhage (SAH) largely contributes to unfavorable outcomes, and it has been proved that EBI following SAH is closely associated with oxidative stress and brain edema…