I recommended a book that I found interesting and helped me with my back problems. I'm a web developer not a doctor. Thats the best I can do for you.

It's so obnoxious how people like you expect members contributing to the discussion to have perfect proof on hand or go digging. If that were the true standard, these discussions would be much thinner.

It's fine to ask, just don't be an asshole when a person doesn't have it; look it up yourself.