I think it helps to keep busy and our minds pre-occupied. A job will certainly help with that.
You need to be sure it is a job you can function in though - I think this is the hardest part - finding an employer who is supportive.
I have lived with it for +- 8 years and only in the last 9 months or so can I say it is really affecting my work performance and I just want to go home and curl up