• People use Reiki to promote overall health and well-being. Reiki is also used by people who are seeking relief from disease-related symptoms and the side effects of conventional medical treatments.
• Reiki has historically been practiced as a form of self-care. Increasingly, it is also provided by health care professionals in a variety of clinical settings.
• People do not need a special background to learn how to perform Reiki. Currently, training and certification for Reiki practitioners are not formally regulated.
• Scientific research is under way to learn more about how Reiki may work, its possible effects on health, and diseases and conditions for which it may be helpful.
• Tell your health care providers about any complementary and alternative practices you use. Give them a full picture of what you do to manage your health. This will help ensure coordinated and safe care.

History

The word "Reiki" is derived from two Japanese words: rei, or universal, and ki, or life energy. Current Reiki practice can be traced to the spiritual teachings of Mikao Usui in Japan during the early 20th century. Usui's teachings included meditative techniques and healing practices. One of Usui's students, Chujiro Hayashi, further developed the healing practices, placing less emphasis on the meditative techniques. An American named Hawayo Takata learned Reiki from Hayashi in Japan and introduced it to Western cultures in the late 1930s.

The type of Reiki practiced and taught by Hayashi and Takata may be considered Western Style Reiki. Numerous variations (or schools) of Reiki have since been developed and are currently practiced.

Practice

Reiki is based on the idea that there is a universal (or source) energy that supports the body's innate healing abilities. Practitioners seek to access this energy, allowing it to flow to the body and facilitate healing.

Although generally practiced as a form of self-care, Reiki can be received from someone else and may be offered in a variety of health care settings, including medical offices, hospitals, and clinics. It can be practiced on its own or along with other CAM therapies or conventional medical treatments.

In a Reiki session, the client lies down or sits comfortably, fully clothed. The practitioner's hands are placed lightly on or just above the client's body, palms down, using a series of 12 to 15 different hand positions. Each position is held for about 2 to 5 minutes, or until the practitioner feels that the flow of energy—experienced as sensations such as heat or tingling in the hands—has slowed or stopped. The number of sessions depends on the health needs of the client. Typically, the practitioner delivers at least four sessions of 30 to 90 minutes each. The duration of Reiki sessions may be shorter in certain health care settings (for example, during surgery).

Clients may experience a deep state of relaxation during a Reiki session. They might also feel warm, tingly, sleepy, or refreshed.

Reiki appears to be generally safe, and no serious side effects have been reported.

• Do not use Reiki as a replacement for proven conventional care or to postpone seeing a doctor about a medical problem.
• Find out about the Reiki practitioner's background, including training and experience treating clients.
• Be aware that Reiki has not been well studied scientifically, but research on whether and how Reiki may work is under way.
• Tell your health care providers about any complementary and alternative practices you use. Give them a full picture of what you do to manage your health. This will help ensure coordinated and safe care.
  

NCCAM-Funded Research

Some recent NCCAM-supported studies have been investigating:

• How Reiki might work
• Whether Reiki is effective and safe for treating the symptoms of fibromyalgia
• Reiki's possible impact on the well-being and quality of life in people with advanced AIDS
• The possible effects of Reiki on disease progression and/or anxiety in people with prostate cancer
• Whether Reiki can help reduce nerve pain and cardiovascular risk in people with type 2 diabetes.