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    Created in 2008, Phoenix Rising is the largest and oldest forum dedicated to furthering the understanding of, and finding treatments for, complex chronic illnesses such as chronic fatigue syndrome (ME/CFS), fibromyalgia, long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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  1. K

    LED red intranasal light therapy

    That's not entirely true. The depth of penetration is also depends on wavelength, 650nm can penetrate 2-3 cm, 808nm can penetrate 5-7 cm