Just found this delightful 37 ways to beat yoru stress. I always knew that sticking a smile on your face lifted your mood but I didn't understand the physiology behind it. Well it appears that smiling transmits nerve impulses from the facial muscles to the limbic system, a key emotional centre in the brain, tilting the neurochemical balance towards calmness. Mmmm...check out this website for the other 36 ideas.
http://www.rd.com/content/37-stress-management-tips/

