Stress is something we all feel when we're challenged or overwhelmed, explains a new Ted Ed video created by Associate Professor of Medicine at Emory University, Dr Sharon Horesh Bergquist​.

http://www.smh.com.au/lifestyle/life/what-stress-is-really-doing-to-your-body-and-what-you-can-do-about-it-20151112-gkx5wj.html