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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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  1. P

    High histamine = undermethylation, but B12 raises histamine...?

    Hi everybody. Than you so much on your oppinons. I know my symptoms in part do not match those of people with predominant “intestinal” Histamine intolerance, but I am suspecting central Histamine intolerance related to my HMNT. I did almost everything to rule out allergic reactions, including...
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    High histamine = undermethylation, but B12 raises histamine...?

    Hi there, I'm looking for some wisdom regarding Chronic Histamine Intol, affecting especially the central nervous system and causing food triggered migraines. I've been suffering from such for the last 7 years and no regular doctor could shed a light on the way of the solution to my problem...