Does religion help cure insanity?

I get papers cited at me, (the first is about “religion and spirituality”, the rest about specific meditation disciplines) about but I can’t tell whether they’re well-done or not. I believe LessWrong is the ideal place to ask about this because there’s a healthy combination of interest for self-improvement techniques and solid skepticism against quackery. I thought it would be a solid enough topic to merit its own thread rather than a discussion in Open Thread.