I have always wondered this myself.. I'm not really in the right place to talk about it at this right now but am probably going to consider writing a post on it in future.. I have been thinking for a long time about the connections between mental health and BDSM, and have lots of questions and oppinions regarding it...
It used to be thought being into BDSM was a disorder in itself and I kind of sway towards believing that..
Will now read the link, elevatedsoul posted