The immune system operates across a healthy gut, and so can the autoimmune response. But a healthy gut should make remission easier. A damaged gut will worsen the autoimmunity.
'Then you should say what you mean,' the March Hare went on. 'I do,' Alice hastily replied; 'at least - at least I mean what I say - that's the same thing , you know.' 'Not the same thing a bit!' said the Hatter.