Below are some great articles and books that discuss the amazing and ever expanding content around Energy Healing:
How Do We Release Stress from the Body?
https://goop.com/wellness/health/john-amaral-and-releasing-stress-from-the-body/
What Is Chi Energy? Everything You Need to Know About the Ancient Chinese Term
https://www.oprahdaily.com/life/health/a27079502/what-is-chi-energy/
What Is Reiki—And When Do You Need It?
https://www.womenshealthmag.com/health/a27155104/what-is-reiki/
The Power of Visualization Techniques as a Healing Modality
https://yogalifelive.com/visualization-is-the-new-meditation/
Energy Medicine, The Science and Mystery of Healing, by Dr. Jill Gateway
https://www.harpercollins.com/products/energy-medicine-jill-blakeway?variant=32117685026850