Stress, Portrait of a Killer – Full Documentary (2008)
my artworks: http://ndooza.blogspot.com
subtitles are available in 76 languages in the settings icon, you can improve them on this page (please send me a message so that I can upload it): http://www.amara.org/en/videos/ZoXiuqhJ9w79/info/stress-portrait-of-a-killer-full-documentary-2008/
other awesome, more in depth Sapolsky presentations: http://www.youtube.com/watch?v=NNnIGh9g6fA&list=PL848F2368C90DDC3D