I can't say for sure. There are people who have reached a point where they no longer get setbacks. A lot of them worse than me. One months rest after first onset for me allowed me to go drive for hours without a spike. That's insane considering the fact that I could not walk or eat without wanting to kill myself afterwards. There obviously is healing
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These days it only takes a couple of days for me to come out of setback, but as soon as I find that I'm able to listen to digital audio again I overdo it and I go back. The most I've given myself is that one month. If I gave myself 1 month x 12; I figure I would not have to worry about getting setbacks from digital audio ever again