The positive effects of drinking hydrogen-rich water on nervous system function have been supported by numerous studies. Its mechanisms of action encompass multiple levels, including antioxidation, anti-inflammation, energy metabolism regulation, and neuroprotection, providing multidimensional support for nervous system health.
The core characteristic of hydrogen-rich water lies in its potent antioxidant capacity. Hydrogen, as the smallest molecular weight antioxidant in nature, can penetrate the blood-brain barrier, precisely neutralizing toxic reactive oxygen species such as hydroxyl radicals, reducing oxidative stress damage to nerve cells. Oxidative stress is a key trigger for neurodegenerative diseases; long-term accumulation can lead to neuronal apoptosis, synaptic dysfunction, and cognitive decline. Studies have shown that drinking hydrogen-rich water can significantly reduce oxidative stress levels in the brain, protecting neuronal survival, especially in acute injury models such as cerebral ischemia and traumatic brain injury, reducing the infarct area and promoting neurological function recovery. This antioxidant effect is not only applicable to disease states but also has a delaying effect on the brain aging process in healthy individuals, such as improving cognitive indicators like attention and executive control.
Neuroinflammation is another important mechanism of nervous system damage. Microglia, as immune cells of the central nervous system, release pro-inflammatory factors when overactivated, forming an inflammatory storm that further damages nerve tissue. Hydrogen-rich water regulates the polarization of microglia towards an anti-inflammatory phenotype by inhibiting inflammatory pathways such as NF-κB, reducing the release of pro-inflammatory factors such as IL-6 and TNF-α. Animal experiments have shown that drinking hydrogen-rich water can reduce myelin damage after traumatic brain injury and improve nerve conduction function; in a Parkinson's disease model, it can reduce mitochondrial damage in substantia nigra neurons, increase dopamine levels, and alleviate motor symptoms. Clinical studies have also confirmed that Parkinson's disease patients who drink hydrogen-rich water show significant improvement in their Unified Rating Scale scores and quality of life.
Energy metabolism disorders are a common manifestation of nervous system dysfunction. Mitochondria, as the cell's "energy factory," suffer from reduced ATP production due to dysfunction, leading to a neuronal energy crisis. Hydrogen-rich water enhances mitochondrial respiratory chain function and improves ATP production efficiency by stabilizing mitochondrial membrane potential, reducing cytochrome C loss, and improving mitochondrial respiratory chain function. For example, in cerebral ischemia-reperfusion injury, drinking hydrogen-rich water can reduce cerebrospinal fluid lactate levels and improve energy metabolism disorders; in Alzheimer's disease models, it can reduce β-amyloid protein deposition and delay cognitive decline. This energy metabolism regulation not only protects neuronal survival but also supports synaptic plasticity and promotes higher cognitive functions such as learning and memory.
The protective effect of hydrogen-rich water on the nervous system is also reflected in the maintenance of the blood-brain barrier. The blood-brain barrier is an important structure protecting brain tissue; its integrity is impaired, allowing harmful substances to penetrate and causing secondary damage. Hydrogen-rich water enhances blood-brain barrier function by protecting vascular endothelial cells and regulating the expression of tight junction proteins. For example, in cerebral ischemia models, drinking hydrogen-rich water can reduce endothelial cell apoptosis and decrease cerebral edema volume; in diabetic encephalopathy, it can improve blood-brain barrier permeability and delay cognitive decline.
Furthermore, hydrogen-rich water also activates endogenous neuroprotective pathways and initiates self-repair mechanisms. Nrf2 is a core transcription factor in cellular antioxidant responses. Drinking hydrogen-rich water can promote its nuclear translocation, upregulate the expression of antioxidant enzymes, and enhance cellular defense capabilities. Simultaneously, hydrogen-rich water can regulate the secretion of neurotrophic factors such as brain-derived neurotrophic factor (BDNF), promoting synaptic plasticity and accelerating neurological function recovery. For example, in cognitively impaired mice, drinking hydrogen-rich water significantly increased BDNF levels in the hippocampus, increased synaptic density, and improved memory test scores.
From a clinical application perspective, hydrogen-rich water has shown broad prospects. In emergency scenarios such as acute cerebral ischemia and traumatic brain injury, early consumption of hydrogen-rich water can reduce infarct area, lower intracranial pressure, and improve neurological prognosis. In neurodegenerative diseases such as Parkinson's disease and Alzheimer's disease, long-term consumption of hydrogen-rich water can slow disease progression and improve quality of life. For healthy individuals, daily consumption of hydrogen-rich water can relieve fatigue, reduce anxiety, and enhance autonomic nervous function, providing a "gentle investment" in brain health.