|August 8, 2009 | 4:11 PM
Stephen is the principle author of The New Science of Breath
and Coherent Breathing: The Definitive Method. He is an avid heart rate variability researcher and the inventor of the “Coherent Breathing” method as well as “Valsalva Wave Pro” – an instrument that monitors the blood wave in the circulatory system produced during resonant breathing (See www.coherence.com and www.valsalvawave.com, respectively).
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