Hydrogen Therapy Protects Heart from Radiation Damage in Rats
- Authors
- Branislav Kura, Patricia Pavelkova, Barbora Kalocayova, Matus Sykora, Jana Vlkovicova, Michal Kluknavsky, Tyler W LeBaron, Margita Pobijakova, Andrea Sagatova, Jan Slezak
- Journal
- Canadian Journal of Physiology and Pharmacology
- Year
- 2026
- DOI
- 10.1139/cjpp-2025-0085
- Study Type
- Rat
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- Slovakia
- Health Condition
- Radiation-Induced Heart Disease
- Body System
- Cardiovascular
TL;DR
Hydrogen reduced radiation-induced cardiac oxidative stress and inflammation, with inhalation showing stronger effects than hydrogen-rich water in a rat model.
Key Finding
Both hydrogen-rich water and hydrogen gas inhalation reduced radiation-induced heart damage and oxidative stress in rats, with hydrogen gas inhalation showing a more pronounced protective effect.
Summary
Researchers exposed rats to chest radiation to mimic the heart damage that can occur in cancer patients receiving radiation therapy. They then gave some rats hydrogen either through drinking hydrogen-rich water or breathing hydrogen gas. Both methods reduced markers of cell damage and inflammation in the heart, with hydrogen gas inhalation showing a stronger effect. This suggests hydrogen might help protect the heart from radiation damage, though the study was only done in rats.
Practical Takeaway
This rat study suggests hydrogen administration may help mitigate heart damage from radiation exposure, but it is early-stage research. Human studies would be needed to determine if these findings apply to cancer patients undergoing chest radiation therapy. The study does not provide evidence that hydrogen water or gas would be beneficial for people without radiation exposure.
Abstract (excerpt)
Ionizing radiation is a known risk factor for the occurrence and development of cardiovascular diseases, particularly in patients receiving thoracic radiotherapy. This exposure leads to oxidative stress and inflammation, which can damage cardiac tissue and vascular endothelium. Molecular hydrogen…