I have non idea.. ask your therapist or trainer.
I dont know if this is true but in the USA if you have BPD you can't claim and it may be the same for UK so look it up if you have BPD.
if you are in the uk - phone the citizens advice bureau - they will be able to advise you
depends where you are inn the world and what benefits you are able to claim
Sorry I only know the Australian System
Yes, you can get social security disability if you are in the United States.