https://youtube.com/watch?v=n9mIDshQPcc
http://www.pbs.org/thisemotionallife Is all stress bad for us? How can we learn to manage it? From THIS EMOTIONAL LIFE (Jan. 4-6, 2010), neuroscientist Dr. Robert Sapolsky explains that sometimes “the right stress” can make us feel stimulated and he explains how stress affects our physical and mental selves. http://www.pbs.org/thisemotionallife