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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 (FM), long COVID, postural orthostatic tachycardia syndrome (POTS), mast cell activation syndrome (MCAS), and allied diseases.

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RH NEGATIVE

Messages
7
I was wondering how many people on here know if they are RH Negative? I have been working on a theory. Please help by letting me know if you have this factor.