Abilify is an anti psychotic prescribed for severe mental disorders and comes with a whole range of potential severe side effects that cause health issues. It's an atypical dopamine antagonist. Research has shown that dopamine antagonist can help with the reduction of stuttering. I personally don't think the risks involved with taking them is worth it. Just take a look at the long list of side effects Abilify has: http://en.wikipedia.org/wiki/Aripiprazole