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Physical exercise as a non-pharmacological strategy to enhance glymphatic function
Arman Ghayourvahdat1, Hannaneh Azimizonuzi1, Moslem Ahmed2
1Inventor Member, Iran Representative Office of the International Federation of Inventors' Associations (IFIA), Tehran, Iran.
IBRO Neuroscience Reports
|February 12, 2026
Summary
Physical exercise boosts the brain's glymphatic system, clearing waste and potentially preventing neurodegenerative diseases like Alzheimer's. Exercise enhances brain cleaning mechanisms, improving cognitive function and reducing disease risk.
Area of Science:
- Neuroscience
- Physiology
- Gerontology
Background:
- The glymphatic system is crucial for brain waste clearance and its dysfunction is linked to neurodegenerative diseases.
- Physical exercise is increasingly recognized for its beneficial effects on brain health.
Purpose of the Study:
- To review the evidence on how physical exercise enhances glymphatic system function.
- To explore the mechanisms underlying exercise-induced glymphatic enhancement.
- To identify research gaps in understanding exercise and brain health.
Main Methods:
- Review of preclinical (animal) and translational (human) studies on exercise and glymphatic function.
- Analysis of mechanisms including CSF influx, perivascular clearance, AQP4 polarization, and sleep modulation.
- Examination of exercise's impact on amyloid-beta accumulation, neuroinflammation, and cognitive performance.
Main Results:
- Exercise, including aerobic and multicomponent types, improves glymphatic and meningeal lymphatic activity.
- Preclinical studies show exercise reduces amyloid-beta, neuroinflammation, and improves cognition in aging and AD models.
- Human studies demonstrate exercise enhances vascular dynamics, sleep quality, and cognitive function.
Conclusions:
- Exercise is a potent non-pharmacological strategy to enhance glymphatic clearance and preserve neural homeostasis.
- Exercise may reduce the risk of cognitive decline and neurodegenerative diseases.
- Further longitudinal, multimodal studies are needed to establish causality and optimize interventions.
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