male pattern wald win, and hipster dysplasia, and vacsa-meh is 100% guaranteed to work, and when it doesn't, there's another solution in-- mental health. because there is yet another cure for depression. >> battling long-term depression, oxford university researchers treated 38 people with the drug ketamine for more than three weeks. 30% saw their depressive symptoms lessen. eight people reported feeling free of depression. ketamine is also used as a horse tranquilizer ( cheers and applause ). >> stephen: it makes sense. folks-- ( applause ) it does make sense that you treat depression with a horse tranquilizer because every time i see a horse i say, "why the long face?" ( applause ) ( laughter ) he's on a suicide watch. ( laughter ) little men in silk pajamas get on his back and make him jump over sticking while whipping him. it's sad. and this veterinary drug isn't just used to animals, folks. it's also used on party animals. >> ketamine is a general anesthetic often used by veterinarians. when tape in high doses at the club scene, users say they feel detached and almost hallucinate. >> k