• Welcome to Phoenix Rising!

    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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    Poll: Do you have a partially empty sella on your brain MRI?

    You might already know that idiopathic intracranial hypertension (IIH) could be a major cause of ME/CFS in at least one large segment of the ME/CFS afflicted population. This paper by Dr. Higgins is one of the major sources of this hypothesis: https://pubmed.ncbi.nlm.nih.gov/28735654/ One of...