Hydrogen Gas Shows Promise for Treating Brain Disorders and Injuries
- Authors
- Chongyun Wu, Peibin Zou, Shu Feng, Ling Zhu, Fanghui Li, Timon Cheng-Yi Liu, Rui Duan, Luodan Yang
- Journal
- Molecular Neurobiology
- Year
- 2022
- DOI
- 10.1007/s12035-022-03175-w
- Study Type
- clinical
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Alzheimer's Disease
- Body System
- Nervous System
TL;DR
Scientists found that a special type of hydrogen gas can help protect the brain by fighting inflammation and damage caused by harmful molecules, which could lead to better treatments for brain diseases like Alzheimer's and stroke. They're still figuring out the best ways to give people this hydrogen therapy and how much they need, but it looks really promising so far.
Key Finding
Molecular hydrogen shows promise as a potential treatment for multiple brain disorders through its ability to reduce oxidative stress (cellular damage from harmful molecules) and inflammation, though clinical evidence in humans remains limited.
Summary
This review article examines how molecular hydrogen—a simple gas—might help treat brain disorders like Alzheimer's disease, stroke, and Parkinson's disease. Researchers believe hydrogen works by reducing harmful molecules called free radicals and by calming inflammation in the brain, both of which contribute to brain damage and disease. The article summarizes existing research on hydrogen's effects and discusses different ways it could be delivered to patients, though it notes that more work is needed to determine the best doses and methods.
Practical Takeaway
While early research suggests hydrogen may have neuroprotective properties, this is a review of existing studies rather than new clinical evidence. Most research to date has been conducted in laboratory or animal models, not in human patients. Anyone considering hydrogen therapy should understand that optimal dosing, delivery methods, and effectiveness in humans have not yet been established.
Abstract
Oxidative stress and neuroinflammation are the main physiopathological changes involved in the initiation and progression of various neurodegenerative disorders or brain injuries. Since the landmark finding reported in 2007 found that hydrogen reduced the levels of peroxynitrite anions and hydroxyl free radicals in ischemic stroke, molecular hydrogen's antioxidative and anti-inflammatory effects have aroused widespread interest. Due to its excellent antioxidant and anti-inflammatory properties, hydrogen therapy via different routes of administration exhibits great therapeutic potential for a wide range of brain disorders, including Alzheimer's disease, neonatal hypoxic-ischemic encephalopathy, depression, anxiety, traumatic brain injury, ischemic stroke, Parkinson's disease, and multiple sclerosis. This paper reviews the routes for hydrogen administration, the effects of hydrogen on the previously mentioned brain disorders, and the primary mechanism underlying hydrogen's neuroprotection. Finally, we discuss hydrogen therapy's remaining issues and challenges in brain disorders. We conclude that understanding the exact molecular target, finding novel routes, and determining the optimal dosage for hydrogen administration is critical for future studies and applications.