predict the research will show that mj has limited medical uses.  right now, many are claiming they need mj for medical reasons and the physicians are prescribing it because there are no data to say otherwise.  with limited medical uses, medical mj will not be profitable since the number of patients that need mj will be substantially reduced.  also, the research will show that mj is just like alcohol, it only makes one high without any other benefit.  hence, there will be a reversal of states allowing unlimited use of mj.