Hello- I am a 63 yr old male, overweight and I work about half time. I have chronic pain from terrible arthritis in my left hip and serious pain in left shoulder. The shoulder has prosthetic ball, and natural cuff, a solution put into use at the time of treatment for trauma resulting from a motorcycle accident. I do not use alcohol or tobacco. I treat the pain with opiates. I have developed ticks or twitches, which exhibit as swift movements of he extremities; arms and legs. I am very self-conscious and concerned about the possibility of striking and hurting somebody nearby. Any insights or advice? Thanks