At the beginning of August, I attended a transformative pranayama retreat, hosted by my teachers Ron Reid and Marla Joy from Downward Dog Yoga Studio and taught by their pranayama teacher, Sudhir Tiwari. It included pranayama preparation techniques, which are called kriyas, pranayama techniques, meditations and lectures by Sudhir. Sudhir’s knowledge of Ayurveda, asana histories, sutras and pranayama was obvious …