Beryl Bender Birch is one of the most well-known teachers of classical yoga in the United States, as well as the author of many books and audio programs on the subject. With Sounds True, Beryl has recently created the book Yoga for Warriors: Basic Training in Strength, Resilience, and Peace of Mind. In this edition of Insights at the Edge, Beryl and Tami Simon discuss the usefulness of yoga for people with Post-Traumatic Stress Disorder. In order to better communicate these techniques, Beryl walks Tami through basic ujjayi breathing. They also talk about the link between quantum physics and yoga, as well as the “revolutionary” role of yogis in modern society. (70 minutes)