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pressure & light

Different physics, converging biology. One pushes oxygen into plasma under pressure. The other moves photons through tissue. They meet in the mitochondria.

HBOT NIR shared pathways Dissolved plasma O₂ Henry's Law Stem cell mobilization eNOS / MMP-9 Telomere lengthening Efrati 2020 Senescent cell clearance Efrati 2020 Erythropoiesis EPO upregulation Edema reduction hyperoxic vasoconstriction Cytochrome c oxidase photoacceptor Direct ATP enhancement Complex IV electron flow Nitric oxide release photodissociation from CCO Collagen synthesis fibroblast stimulation Transcranial delivery 810nm penetrates skull ROS signaling hormesis NF-κB suppression anti-inflammation Angiogenesis VEGF upregulation HIF-1α activation different triggers, same target M1→M2 polarization macrophage repair shift Neuroplasticity different routes, same outcome Mitochondrial biogenesis new mitochondria growth

Two modalities, different physics, converging biology.
This is why we use both.