Reiki is a Sanskrit word meaning REI, universal energy and KI, vital energy. It is a technique used to channel and transmit vital energy by laying hands, on the 7 main chakras, which is used to obtain peace and balance at all levels:
Physical: improvement in ailments, injuries, metabolism, etc.
Emotional: sentimental problems, aggressiveness, unhappiness, etc.
Mental: harmful habits, stress, insomnia, etc. Spiritual: harmony, peace, balance, etc.
Reiki acts in depth by going to the root of the physical or emotional problem, and allows the emotion or behavioral pattern that has created the imbalance , to manifest and be healed.