Parkinson's Disease Symptoms

Wavelength: 670 nm
Irradiance: 40 mW/cm²
Dose: 12 J/cm²
Duration: Daily × 12 weeks (systemic)

Category: Brain & Cognition

Journal: Frontiers in Neuroscience (2021)

Key finding

Reduced motor symptom severity, improved gait speed, and reduced freezing episodes; animal confirmation via dopaminergic neuron count.