Art of Living
http://www.tc.umn.edu/~talc/about%20us.htm This is a link to The Art of Living Club at the University of Minnesota. The Art of Living foundation teaching stress reduction and trauma relief workshops internationally and constitutes one of the largest non-profil organization in the world. I have been a member of this organization for five years and participated in many workshops and classes. It was once said by the founder of the organization that stress is the difference between what you intend to do and what you have energy to accomplish.
This is their national website: http://us.artofliving.org/index.html
This is their research on youth and stress