"Practicing regular, mindful breathing can be calming and energizing and can even help with stress-related health problems ranging from panic attacks to digestive disorders." Andrew Weil, M.D. Breathing is a useful tool for achieving a relaxed and clear state of mind especially for those of us who struggle with settling our mind easily since it's something we can control and regulate. Here is a link to Dr Weils' website that contains www.drweil.com/drw/u/ART00521/three-breathing-exercises.html Peace in peace out