“Whips, rope and handcuffs aren’t exactly what come to mind when most of us think of a stress-free day. But research indicates that BDSM practice, typically thought to be all about pain, dominance and physical stress, has health advantages beyond sexual satisfaction — including reducing stress…”

link: http://mic.com/articles/110294/there-s-a-positive-benefit-to-bdsm-everyone-s-been-overlooking#.kqi9Zp11o