Many people believe that substance abuse and dependence are necessarily progressive illnesses, and that the probability of quitting drugs decreases with each successive year of heavy drug use. This might be a good way to summarize some individuals’ experience with drug use. However, new research using data from a national survey suggests that the number of people who quit using drugs increases steadily over time, regardless of their time spent dependent on drugs. This week’s STASH reviews an article exploring this phenomenon (Heyman, 2013). Methods Heyman (2013) explored the rates of remission from cocaine, marijuana, alcohol and cigarette dependence using... Read more →