Hydrogen Water Protects Brain from Stroke Damage in Rats
Protective effect of saturated hydrogen saline against cerebral ischemia-reperfusion injury in rats
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 (rat)
- Authors
- Ying Liu, Qiang Sun, Wei Zhang, Jian-Mei Cai, Run-Ping Li, Shi-Jun Lu
- Journal
- Academic Journal of Second Military Medical University
- Year
- 2010
- Study Type
- Rat
- Delivery
- Saline (Dissolved)
- H₂ concentration
- saturated
- Duration
- 1 day or less
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 1 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Saturated hydrogen saline helps reduce brain damage and inflammation caused by a stroke in rats.
Key Finding
In rats with simulated stroke, hydrogen saline reduced brain damage volume, decreased brain swelling, and lowered inflammatory markers compared to control treatment.
Summary
This study tested whether hydrogen-enriched saline could protect rat brains from damage caused by stroke. Researchers blocked blood flow to part of the brain and then restored it, then gave some rats hydrogen saline while others received regular treatment. Hydrogen saline reduced brain swelling, decreased the size of damaged brain tissue, and lowered inflammatory chemicals (IL-1β and TNF-α) that are released after stroke.
Practical Takeaway
This is an early-stage animal study suggesting hydrogen saline may have protective effects against stroke-related brain injury through anti-inflammatory mechanisms. However, results from rat models do not automatically translate to humans, and much more research—including human trials—would be needed before any therapeutic claims could be made.
Abstract (excerpt)
Objective To study the protective effect of saturated hydrogen saline against cerebral ischemia-reperfusion injury and the related mechanism. Methods Rat middle cerebral artery occlusion (MCAO) models were established by thread ligation of the middle cerebral artery. The rats were sacrificed 24 h…