Can psychiatric medication cure mental disorders?

Following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

Questioner: Sir, two years back I got diagnosed with bipolar disorder and I have been medicated ever since 8 months. I felt I am very much dependent on it. So, I skip them then I found a very stupid alternative which was smoking marijuana. Then I got dependent on that. So then I started to get away…