• 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.

    To become a member, simply click the Register button at the top right.

Search results

  1. A

    Why the controversy with the CBS C699T enzyme defect?

    I would also like to know more about this. When I was first reading about CBS mutations, on medical sites, the consensus seemed to be that there was reduced enzyme activity http://www.mdl-labs.com/testing/CBSGeneMutation.html. However, because of the previous link, I think that reduced...