Reiki is a Japanese technique for stress reduction and relaxation that also promotes healing, A therapist intuitively places their hands on client to help correct energy flow. Our bodies have energy currents running through every part of us. Some know these currents as our 'life force'. When this flow of life force is disrupted, it causes diminished function in one or more of the organs and tissues of the physical body. The life force is responsive to thoughts and feelings. ... Reiki heals by flowing through the affected parts of the energy field and charging them with positive energy.