If you want to find out more about Dianetics and Scientology, the best way to do this is to read an L. Ron Hubbard book on the subject. I personally recommend you read Self Analysis.
I did the processes in the back of the book and it markedly improved my life. I went from experiencing off and on depression to realizing I had a very good life. My life then began to steadily improve, and improve again, until I came completely out of it. I went from being an off and on again success (due to the bouts of depression) to being very successful and very happy. And the fantastic thing is I was able to pass that success on to my daughter.