Hydrogen-Rich Saline and Brain Function After Traumatic Injury in Rats
Hydrogen-rich saline protects against oxidative damage and cognitive deficits after mild traumatic brain injury
Research hubs: Oxidative Stress · Brain & Nervous System
This research was done in animals. Results in animals often don't carry over to people.

- Evidence type
- Animal study (rat)
- Authors
- Zonggang Hou, Wei Luo, Xuejun Sun, Shuyu Hao, Ying Zhang, Feifan Xu, Zhongcheng Wang, Baiyun Liu
- Journal
- Brain Research Bulletin
- Year
- 2012
- PMID
- 22742936
- Study Type
- Rat
- Delivery
- Saline (Dissolved)
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 64 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen-rich saline may help improve brain function and memory after a mild traumatic brain injury by reducing oxidative damage.
Key Finding
In rats with mild traumatic brain injury, hydrogen-rich saline reduced oxidative stress markers and improved cognitive performance on memory tests compared to control treatment.
Summary
Researchers gave rats with mild traumatic brain injuries (caused by fluid percussion injury) either hydrogen-rich saline or a control treatment. They found that hydrogen-rich saline reduced markers of oxidative stress (damage from harmful molecules called free radicals) in the brain and improved the rats' cognitive performance on memory tests. The treatment also increased levels of proteins involved in brain cell communication and plasticity (the brain's ability to form new connections).
Practical Takeaway
This early animal study suggests hydrogen-rich saline may help protect the brain from oxidative damage after mild traumatic brain injury. However, this research was conducted only in rats, so it's unclear whether these effects would occur in humans. Much more research, including human clinical trials, would be needed before hydrogen-rich saline could be considered a viable treatment for TBI patients.
Abstract (excerpt)
Oxidative stress is the principal factor in traumatic brain injury (TBI) that initiates events that result in protracted neuronal dysfunction and remodeling. Importantly, antioxidants can protect the brain against oxidative damage and modulate the capacity of the brain to cope with synaptic…