Pranayama is a breath-control technique. In Sanskrit, pran means life and ayama means way. Pranayama can help you regulate your system, alter your mood and ensure longevity. These pranayamas are simple, but very effective tool for relaxation.

The True Purpose of Yoga – Exploring the True Potential of Being Human | Sadhguru
Published on Feb 10, 2014 Sadhguru looks at the true purpose of yoga, and explains how health, peace and joy are only the side benefits,