Prana, Practice and Power: How Does Yoga Change Lives?

Yoga has the power to touch and transform our lives. But what is that power and where does it come from? Can it even be named or described? In this interview, Iyengar Yoga teacher John Schumacher discusses the yogic concept of Prana , the life force or creative energy, and the role it plays in the practice of yoga.

http://www.huffingtonpost.com/eva-norlyk-smith-phd/yoga-practice_b_4276933.html