Not according to the study. Psychoactive drugs don't just change how you're feeling for a period of time - they also change how your brain is wired. That's what

Not according to the study. Psychoactive drugs don't just change how you're feeling for a period of time - they also change how your brain is wired. That's what addiction is: drugs altering the brain into one that more wants to take that drug. Now, MDMA isn't particularly prone to causing addiction. It is prone to causing lasting changes in how people relate to themselves and others, and a combination of personal anecdotes and studies suggest it's for the better.