Hydrogen Gas Protects Hearing in Animal Study of Auditory Nerve Damage
Inhalation of hydrogen gas attenuates ouabain-induced auditory neuropathy in gerbils
Research hubs: Brain & Nervous System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (gerbil)
- Authors
- Juan Qu, Yun-Na Gan, Ke-Liang Xie, Wen-Bo Liu, Ya-Fei Wang, Ren-Yi Hei, Wen-Juan Mi, Jian-Hua Qiu
- Journal
- Acta Pharmacologica Sinica
- Year
- 2012
- PMID
- 22388074
- Study Type
- Gerbil
- Delivery
- Gas
- Dose
- H2 inhalation (1%, 2%, and 4%) for 60 min at 1 h and 6 h after ouabain application
- H₂ concentration
- 1%, 2%, and 4% H2 gas
- Duration
- 1 weeks
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 22 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Breathing in hydrogen gas can help reduce hearing loss caused by nerve damage in gerbils.
Key Finding
Inhaling hydrogen gas (2-4% concentration) significantly reduced hearing loss and nerve cell death in gerbils with ouabain-induced auditory neuropathy, suggesting hydrogen may protect auditory nerve cells from damage.
Summary
Researchers created hearing loss in gerbils by damaging the auditory nerve (the nerve that carries sound signals to the brain) while leaving the inner ear hair cells intact. They then treated some animals by having them breathe hydrogen gas at different concentrations. The hydrogen gas treatment reduced nerve cell death and preserved hearing function, suggesting that hydrogen may protect nerve cells from damage caused by oxidative stress (harmful chemical reactions in cells).
Practical Takeaway
This is an early-stage animal study showing hydrogen gas may help protect auditory nerve cells from certain types of damage. However, this was tested only in gerbils, not humans, and the study does not yet demonstrate whether hydrogen would be effective or safe for treating hearing problems in people. Much more research would be needed before any clinical applications could be considered.
Abstract (excerpt)
Aim: Auditory neuropathy (AN) is a hearing disorder characterized by abnormal auditory nerve function with preservation of normal cochlear hair cells. This study was designed to investigate whether treatment with molecular hydrogen (H(2)), which can remedy damage in various organs via reducing…