This was also covered on ABC's website: http://abcnews.go.com/Health/MindMoodNews/star-wars-darth-vader-needed-therapy-blame-dark/story?id=10850290
It counters that while young Anakin displayed several of those traits, He seemed to grow out of it by Ep. III (as most teenagers do).
It's interesting, though, that the Dark Side is compared to a drug. A lot of the books do refer to it as \"Intoxicating\".
