• 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.


  1. SWAlexander

    Steroid hormone changes in ME/CFS

    Hormones are signalling molecules that are essential in regulating many different processes throughout the body. There are several types, including steroid hormones: corticosteroids (such as glucocorticoids and mineralocorticoids) and sex steroids (such as androgens, oestrogens and progestins)...