Can hydrogen water help with brain injury recovery?

This rat study suggests hydrogen water may help protect the brain after traumatic injury by activating natural antioxidant defenses. The treatment significantly improved neurological function and reduced brain damage in the study animals.

How does hydrogen water protect the brain after injury?

Hydrogen water appears to activate a protective protein called Nrf2 that boosts the brain's antioxidant enzyme systems. This helps reduce harmful oxidative damage that occurs after brain injury and preserves brain tissue.

What did this brain injury study find about hydrogen therapy?

Rats treated with hydrogen water showed significantly better neurological scores and less brain damage compared to untreated animals. Brain tissue analysis confirmed reduced oxidative stress and better structural preservation.

Is hydrogen water safe for brain injury patients?

While this study was conducted in rats, hydrogen water has shown excellent safety profiles in human studies for other conditions. However, brain injury patients should consult their healthcare providers before trying any new therapies.

How much hydrogen water was used in this brain injury study?

Researchers gave rats 5 mL per kilogram of body weight of hydrogen-rich water daily for five days after injury. This would translate to different amounts for humans and requires further research to determine optimal dosing.

Hydrogen Water Protects Brain After Injury in Rat Study

Authors: Jia Yuan, Difen Wang, Ying Liu, Jia Yuan, Hailing Zhang
Journal: Chinese Critical Care Medicine
Year: 2015
Study Type: Rat
Outcome: Positive
Peer Reviewed: Yes
Country: China
Health Condition: Traumatic Brain Injury
Body System: Nervous System

TL;DR

Drinking hydrogen-rich water appears to help rats recover from brain injuries by reducing oxidative stress and increasing protective enzyme activity.

Key Finding

In rats with traumatic brain injury, hydrogen-rich water treatment improved neurological recovery scores and reduced oxidative damage markers in brain tissue while increasing protective antioxidant enzyme activity.

Summary

Researchers gave rats with traumatic brain injuries (head trauma) hydrogen-rich water or saline injections for 5 days and measured brain damage and chemical markers of stress. Rats receiving hydrogen-rich water showed better neurological recovery scores and had higher levels of protective enzymes (CAT and GSH-Px) and lower levels of damage markers (MDA) in their brain tissue compared to untreated injured rats. The hydrogen-rich water appeared to work by activating a cellular defense system called Nrf2.

Practical Takeaway

This is an early-stage animal study showing hydrogen-rich water may help protect brain tissue from injury-related damage through antioxidant mechanisms. However, results from rat studies do not automatically translate to humans, and no human trials have tested this approach for brain injury. More research, including human studies, would be needed before drawing conclusions about potential benefits for people.

Abstract

Objective: To investigate the effects of hydrogen rich water on the expression of nuclear factor erythroid 2-related factor 2 (Nrf2) and oxidative stress in rats with traumatic brain injury (TBI). Methods: Ninety healthy male Sprague-Dawley (SD) rats were randomly divided into sham operation group, TBI group and hydrogen rich water treatment group (HW group), with 30 rats in each group. TBI model was reproduced by the modified Feeney weight dropping method. The skulls of rats in sham operation group underwent only craniotomy without direct hit. The rats in HW group received brain injury by hitting after craniotomy, followed by injection of hydrogen rich water (5 mL/kg) intraperitoneally once a day for 5 days after successful reproduction of the model. The rats in sham operation group and TBI group were given an equal amount of normal saline in same manner. Six rats from each group were sacrificed at 6, 12, 24, 48 hours and 5 days after evaluating neurological severity scores (NSS). The brain tissue in injured ipsilateral cortex was harvested. The activity of catalase (CAT), glutathione peroxidase (GSH-Px), and content of malondialdehyde (MDA) were determined by spectrophotometry. The expressions of mRNA and nucleoprotein of Nrf2 were determined by quantitative real-time polymerase chain reaction (RT-qPCR) and Western Blot. The pathological changes were observed with microscopy after hematoxylin and cosin (HE) staining. Results: (1) NSS score: compared with TBI group, NSS in HW group at 12, 24, 48 hours and 5 days were significantly decreased (12 hours: 9.83 ± 2.32 vs. 13.17 ± 2.71, 24 hours: 9.83 ± 2.79 vs. 13.50 ± 2.43, 48 hours: 7.50 ± 2.07 vs. 11.83 ± 2.14, 5 days: 5.50 ± 1.87 vs. 10.50 ± 2.43, all P < 0.05). (2) Compared with sham operation group, the activity of GSH-Px and CAT in TBI group were markedly declined after operation, while the MDA content was elevated significantly, especially at 24 hours [CAT (kU/g): 1.080 ± 0.312 vs. 3.571 ± 0.758, GSH-Px (kU/g): 9.195 ± 3.173 vs. 32.385 ± 10.619; MDA (µmol/g): 12.282 ± 2.896 vs. 4.349 ± 1.511, all P < 0.01]. Compared with TBI group, the parameters in HW group were improved, and they were similar as sham operation group. (3) RT-qPCR: no significant difference was found in the expression of Nrf2 mRNA at each time point in three groups. (4) Western Blot: the expression of Nrf2 nucleoprotein (gray value) in TBI group was apparently higher than that in sham operation group, and peaked at 24 hours (0.703 ± 0.262 vs. 0.238 ± 0.120, P < 0.05), and the expression in HW group was obviously higher than that in TBI group, especially at 24 hours (1.110 ± 0.372 vs. 0.703 ± 0.262, P < 0.05). (5) HE staining: the brain structure in sham operation group was found to be intact. However, there were different degrees of pathological changes at each time in TBI group, especially at 24 hours. The pathological damage of brain tissue in HW group was significantly milder. Conclusions: Hydrogen rich water can up-regulate the expression of Nrf2, and reduce oxidative damage of traumatic brain injury in rats. Nrf2 can up-regulate the expression of its downstream antioxidant enzymes, which may be the mechanism of the upregulation expression of Nrf2 in the study.