1. Yoga is a 5, 000 year old tradition, and is classified as a form of Complementary and Alternative Medicine (CAM). 2. 300 million people practice yoga globally (72% are female). 3. The practice produces a physiological state (an interruption in the stress response); a sense of balance and union between the mind and body is achieved. 4. It has 4 basic principles. 5. The most form of yoga practiced is Hatha yoga. 6. Yoga shifts the balance from the sympathetic nervous system