Though Bush-Joseph speaks for himself — not for Rush University Medical Center where he is a professor, and not for the Chicago White Sox or Bulls, with whom he has worked — his word as a leading arthroscopic surgeon carries some weight. After severe injury or surgery, he concedes patients typically need opioids like Percocet and Vicodin for a month or two. But after that, he believes patients should have potential access to marijuana as another longer-term alternative.