Hydrogen Gas Improves Memory and Reduces Brain Damage in Alzheimer's Mice

Hydrogen Gas Attenuates Toxic Metabolites and Oxidative Stress-Mediated Signaling to Inhibit Neurodegeneration and Enhance Memory in Alzheimer's Disease Models

Research hubs: Brain & Nervous System

Evidence type
Animal study (mouse)
Authors
Sofian Abdul-Nasir, Cat Tuong Chau, Tien Thuy Nguyen, Johny Bajgai, Md Habibur Rahman, Kwon Hwang-Un, In-Soo You, Cheol-Su Kim, Bo Am Seo, Kyu-Jae Lee
Journal
International Journal of Molecular Sciences
Year
2025
DOI
10.3390/ijms26146922
Study Type
Mouse
Outcome
Positive
Peer Reviewed
Yes
Country
South Korea
Health Condition
Alzheimer's Disease
Body System
Nervous System

This research was done in animals. Results in animals often don't carry over to people.

TL;DR

Inhaling hydrogen gas reduced brain inflammation and memory loss in an Alzheimer’s mouse model by blocking toxic buildup in brain support cells.

Key Finding

Hydrogen gas treatment significantly improved memory and reduced oxidative stress and brain inflammation in mice with Alzheimer's disease-like conditions.

Summary

Researchers tested whether hydrogen gas could help prevent memory loss and brain damage in mice genetically engineered to develop Alzheimer's disease. After 60 days of breathing 3% hydrogen gas, these mice performed better on memory tests and showed less brain inflammation and oxidative stress (a type of cellular damage) compared to mice that didn't receive hydrogen gas.

Practical Takeaway

This is early-stage research conducted only in mice, so it cannot yet tell us whether hydrogen gas would help people with Alzheimer's disease. While the results are promising, human clinical trials would be needed before any health recommendations could be made.

Abstract (excerpt)

Alzheimer's disease (AD) is a neurodegenerative condition in which amyloid-beta (Aβ) plaques trigger oxidative stress (OS) and neuroinflammation, causing memory loss. OS and neurodegeneration can also be caused by reactive astrocytes, thereby promoting AD via toxic metabolite accumulation…

Read the full abstract via DOI