Photobiomodulation Therapy (PBM) using safe and non-invasive LEDs is able to penetrate through the skull and reach the brain producing a positive effect on circulation in the area where the LEDs are applied. Light therapy reaches many mitochondria in the neurons and the endothelium (blood vessel lining) which respond to the photons by releasing nitric oxide which is often called the "miracle molecule". The resulting natural vasodilation increases blood flow reaching areas of the brain in need of oxygen and nutrients and inflammation levels also decrease.Nitric oxide is a signaling molecule, which also upregulates the manufacture of various healing substances including beneficial enzymes in the area where it is applied to the body. The production of ATP (adenosine triphosphate) by the cells in response to photobiomodulation therapy will greatly increase cellular energy supporting natural healing processes. LED light therapy has been shown in research studies to stimulate positive change in the body with Traumatic Brain Injury, Concussion, Stroke, Alzheimer’s, Parkinson’s, Depression, Stress, and Anxiety.

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http://www.sciencedirect.com/science/article/pii/S2214647416300381?via%3Dihub