Hydrogen Gas Reduces Brain Damage After Stroke by Lowering Lactic Acid

Authors
Journal
Biochemical and Biophysical Research Communications
Year
DOI
10.1016/j.bbrc.2023.04.072
Study Type
Human
Outcome
Positive
Peer Reviewed
Yes
Country
China
Health Condition
Subarachnoid Hemorrhage
Body System
Nervous System

TL;DR

Breathing in hydrogen gas can help reduce harmful lactic acid buildup in the brain after bleeding, possibly through a specific pathway involving a protein called HIF-1α.

Key Finding

Inhaled hydrogen reduced lactic acid accumulation in the nervous system of subarachnoid hemorrhage patients by suppressing the HIF-1α molecular pathway.

Summary

Researchers studied how inhaled hydrogen gas helps patients recovering from subarachnoid hemorrhage (a type of brain bleeding). They found that hydrogen reduced the buildup of lactic acid in the nervous system by affecting a molecular pathway called HIF-1α. Lab and animal experiments confirmed that hydrogen works by suppressing this pathway, which normally increases when the brain lacks oxygen.

Practical Takeaway

This study provides early evidence that hydrogen inhalation may help protect the brain after certain types of bleeding by reducing harmful lactic acid buildup. However, this research involved a specific medical condition (subarachnoid hemorrhage) and included both human and animal studies; more research is needed to understand whether these benefits apply to other conditions or to healthy people using hydrogen water.

Abstract (excerpt)

The neuroprotective effects of hydrogen have been demonstrated, but the mechanism is still poorly understood. In a clinical trial of inhaled hydrogen in patients with subarachnoid hemorrhage (SAH), we found that hydrogen reduced the accumulation of lactic acid in the nervous system. There are no…

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