Gentle therapy reduces stress and pain Reiki is one of the best-loved types of energy work. Massage therapists, nurses and other Reiki practitioners have witnessed it reduce stress and pain during the Reiki session. The particular beauty of Reiki is that it can be used on anyone no matter their condition, from infants to those healing from surgery or wounds to people in hospice care. Where did Reiki come from? Reiki was founded in the early 20th century by a Japanese man named Mikao Usui. An accomplished practitioner of the martial and meditative arts, he gave healings with light touch, and taught some of those who received these treatments. These.