Synopsis Pranayama is an exact science. It is the fourth Anga or limb of Ashtanga yoga. "Tasmin Sati Svasa prasvasayorgati-vicchedah Pranayamah" -- regulation of breath or the control of Prana is the stoppage of inhalation and exhalation, which follows after securing that steadiness of posture or seat, Asana. The present book entitled Pranayama and Health discusses all the aspects of pranayama and health and its related fields. The language used is in lucid form and text are written in simple colloquial English keeping in mind the language difficulties of the readers.