Mindfulness has come a long way from its days as an obscure Buddhist meditation technique known only to monks and a few New Age enthusiasts to what it is now-one of the hottest new spiritualpractices of our day. It's being used by people of all ages, from all walks of life, for everything from gaining self-awareness and inner calm to treating PTSD and other anxiety disorders. Corporateexecutives, Hollywood stars, medical doctors, teachers, secretaries,...