> "changes in the brain" is too vague to be useful. I would hope that someone trying to do something useful concerning addiction and the brain wouldn't go by a

> "changes in the brain" is too vague to be useful. I would hope that someone trying to do something useful concerning addiction and the brain wouldn't go by a comment on Hacker News that was posted via a cell phone. Anyway, please see my comment here: https://news.ycombinator.com/item?id=16477351 https://news.ycombinator.com/item?id=16477351