I have had PSA for 31 years. I made my father a promise when I was young that I would beat this disability. Drs said I would be in a wheelchair by the age of 21. I am now 46 & mobile. I take great pride in that. Graduated college a few years age, now finishing my Bachelor degree. I have plastic knuckles in my left hand & multiple joints in my feet surgically pinned & fused. PSA is no match for my perseverance. Thank you.