Has anyone been able to recover from chronic dissociation/depersonalization?

I always feel like I am in a distant dream and my brain is so foggy. It's hard to focus and remember things especially things like schoolwork or important dates. I also have a touch of anhedonia in that I stopped caring about stuff that used to be important in my life. I hate all of this and want to feel like me again. Has anyone found anything that has helped them clear the "fog" and to feel present again? Even small things like diet, journaling, exercise, do any of those things help?