Very simply explained by Tanzin, exercises are quite simple to do and so beneficial in the short term. I practice every opportunity that arise, even in the car while driving, it is even the most convenient places for me because we do person.The CD gene is essential in the beginning to successfully integrate the sound and rhythm of the breathing; I recommend it and "heal the forms of energy and light" by the same author, which in my opinion is to read by following this one.