external In the Media April 30, 2020 Robert Powers, associate professor, forensic science, comments on the small study of patients who use cannabis and a beneficial impact on HIV-associated blood-brain barrier injuries. https://www.mdalert.com/news/article/cannabis-may-have-a-beneficial-effect-on-hiv-associated-blood-brain-barrier-injury news-all news-in-the-media year-2020 month-april