Dr. Barnes has a PhD in physiology and over 50 years of experience as a certified Transcendental Meditation™ teacher. He has taught more than 3000 people in Canada, Zambia, Kenya, Ghana, India and the US. He has over 52 years of experience practicing TM and over 20 years of research experience at the Medical College of Georgia. He has received funding as principal investigator from the American Heart Association, the NHLBI and the Georgia Health Sciences University. His findings have been published since 1996 reporting reduced blood pressure, reduced cardiovascular reactivity and left ventricular mass, as well as reduced sodium retention and the importance of family influences on meditation efficacy. He has 13 years of experience teaching TM to soldiers with PTSD.