When i was eight I was hit in the back of my neck by a baseball bat and knocked unconcious. I am 69 now, and have experienced numbness in hands, shocks in my left arm, and now very bad pain in the middle of my hand. I have slight urine incontinence, impetance, buzzing in my head, and arm shocks. I also playde 4 years of high school foot ball when helmets were not very good. Who should I see?