How Hydrogen Gas and Water May Fight Disease at the Cellular Level
- Authors
- John T. Hancock, Tyler W. LeBaron, Grace Russell
- Journal
- Reactive Oxygen Species
- Year
- 2021
- DOI
- 10.20455/ros.2021.m.803
- Study Type
- clinical
- Peer Reviewed
- Yes
- Country
- United Kingdom
- Health Condition
- General Disease Prevention
- Body System
- Cellular
TL;DR
Scientists found that hydrogen gas might help treat diseases by acting like a cleanup crew in your body, getting rid of harmful stuff called free radicals, but they're not totally sure exactly how it works yet and need to do more research to prove it actually helps people.
Key Finding
Molecular hydrogen may exert biological effects through multiple pathways, including antioxidant activity and interaction with iron-containing proteins called heme proteins, though the precise mechanisms remain unclear.
Summary
This review article examines how molecular hydrogen (H2)—a gas that can be dissolved in water to create hydrogen-rich water—might work in the body. Researchers explored whether H2 acts as an antioxidant (a substance that reduces harmful molecules called free radicals) and how it might interact with proteins in cells. The authors suggest that H2 may work partly by affecting iron-containing proteins, but they note that the exact biological mechanisms are still not fully understood and need more research.
Practical Takeaway
This is a review article that summarizes existing knowledge rather than reporting new experimental results, so it does not provide direct evidence about hydrogen water's effects in humans. The authors acknowledge that while H2 shows theoretical promise, the biological mechanisms are incompletely understood and require more systematic research before firm conclusions can be drawn about its medical use.
Abstract
Molecular hydrogen (H2), either as a gas or as hydrogen-rich water (HRW), is suggested to be a useful treatment for a range of human diseases and also to improve agricultural output. It is often posited that H2 accomplishes its biological action, in part, through its antioxidant effects, including reacting with hydroxyl radicals (OH˙) and peroxynitrite (ONOOˉ); however, this direct reaction has been questioned. The antioxidant effects of H2 are also often mediated by heme oxygenase-1 (HO-1), although the exact mechanism remains elusive. Alternatively, it has been proposed that H2 can propagate its effects through the reduction of Fe3+ in various redox-active proteins, which is the focus of this review. It is suggested that a systematic experimental analysis of proteins containing heme prosthetic groups would help elucidate the biological mechanisms of H2 and its development as a medical and restorative therapeutic.