278. Barrington Health: Does Marijuana Change the Brain? by Advocate Good Shepherd Hospital's health enews Team September 20, 2015 Advocate Good Shepherd Hospital/Contributors/Health/Health & Wellness/Health and Fitness/Health Beat/Lisa O'Neil/News/news/The List Year to Date/Things to Do Marijuana doesn’t seem to shrink brains, but the results of a new study suggest the brains of people who use marijuana may More