About Us


Ann Linda Baldwin, PhD, is a Professor Emerita of Physiology at the University of Arizona. She is also a Reiki Master, and has practiced Reiki on people and animals for the last twenty years. She obtained her Bachelors degree in Physics from University of Bristol, UK, her Masters degree in Radiation Physics from University of London, UK and her PhD in Physiology from Imperial College, University of London. She is also a certified HeartMath® Trainer and received the Humanitarian Heart Award from the Institute of Heartmath. Click here for details.

Ann’s research focuses on the physiological effects of mental and emotional stress, and she has explored the efficacies of Reiki, Biofeedback and Equine Facilitated Learning in reducing the damaging effects of stress. She has published over 130 articles in peer-reviewed scientific journals and has been a member of several review panels for National Institutes of Health. With her Reiki training and extensive scientific background, Ann bridges the gap between energy healing and quantitative scientific enquiry. In her spare time Ann likes to ride her horse and she also volunteers as a horse handler for Therapeutic Riding of Tucson.

Ann’s major fields of research have been:
  • Effects of environmental stress on cardiovascular function and behavior in rodents.
  • Measurement of effects of alternative healing therapies, such as Reiki and Homeopathy, on stress-induced inflammation.
  • Measurement of effects of Reiki on cardiac function, peripheral blood flow and skin conductance in rodents, humans and non-human primates.
  • Effects of Reiki on bioelectromagnetic fields in humans.
  • Effects of hemoglobin-based blood substitutes on microvascular integrity.
  • Use of Biofeedback to help Parkinson’s patients perform tasks involving memory and fine motor control
  • Effects of diaphragmatic breathing on competitive cycling performance
Recent Research Projects
  • Physiological mechanisms of heart-to-heart communication between horses and the elderly.
  • Do horses benefit from aromatherapy?
  • Effects of different forms of energy healing on range of motion of people with shoulder and knee problems.
  • Effects of individualized live harp music on pain perception and heart rate variability in patients in intensive care.

View Ann’s curriculum vitae