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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. H

    BH4 - GCH1 Question

    Hello. I'm a long time lurker and new Member. I realize this thread is a bit old but wanted to start somewhere on my questions about BH-4. After suffering from anxiety for a number of years, I've discovered a number of gene mutations using 23andme.com and other test. I've found that I'm...