Qi Gong

Content provided by the Faculty of the Harvard Medical School

Qi Gong

Before engaging in any complementary medical technique, you should be aware that many of these techniques have not been evaluated in scientific studies. Often, only limited information is available about their safety and effectiveness. Each state and each discipline has its own rules about whether practitioners are required to be professionally licensed. If you plan to visit a practitioner, it is recommended that you choose one who is licensed by a recognized national organization and who abides by the organization's standards. It is always best to speak with your primary health care provider before starting any new therapeutic technique.

Background

Qi Gong is a traditional Chinese medicine technique that is believed to be at least 4,000 years old. There are two types of Qi Gong: internal and external. Internal Qi Gong techniques include learned and self-directed exercises that involve sounds, movements and meditation. External Qi Gong (Qi emission) is practiced by a Qi Gongmaster who uses his or her hands with the aim to project qi (pronounced "chi") to others for the purpose of healing. More than 5,000 styles of Qi Gong have been cataloged by the Chinese government.

In traditional Chinese medicine, Qi Gong is considered beneficial for a large variety of medical conditions. Many practitioners believe there is a role for Qi Gong in treating chronic conditions such as cancer, chronic fatigue syndrome, osteoporosis, high blood pressure, stomach ulcers and asthma. Scientific evidence suggests a possible role for internal Qi Gong in the treatment of high blood pressure; this therapy may be beneficial when used with other treatments (such as prescription drugs). There is preliminary evidence that Qi Gong may manage pain and anxiety associated with pain. Internal Qi Gong actively engages a patient in his or her own health care and can be performed in the presence or absence of a Qi Gong master.

Theory

Qi Gong is sometimes described as "a way of working with life energy." There are three main branches of Qi Gong: medical (used for healing), spiritual (for self-awareness) and martial art (for self-protection). Qi Gong is generally intended to be harmonious with the natural rhythms of time and season. It may be practiced daily with the aim of health maintenance and disease prevention. Medical Qi Gong can be an active (internal) or passive (external) noninvasive technique that involves five steps: meditating, cleansing, strengthening/recharging, circulating and dispersing qi. Specific movements, meditations and sounds are used for each step.

Evidence

Scientists have studied Qi Gong for the following health problems:

High blood pressure

There is good evidence from several studies in humans suggesting that Qi Gong, when used with conventional treatments, may be of benefit for high blood pressure. Initial research reports fewer deaths among people with high blood pressure who practice Qi Gong. There is some evidence that internal Qi Gong relaxation exercises may be safe for helping to control high blood pressure associated with pregnancy. Further research is warranted.

Chronic pain

There is early research supporting the use of internal Qi Gong exercises or externally applied Qi for pain management and reduction of anxiety associated with pain. More evidence is needed before a firm recommendation can be made.

Unproven Uses

Qi Gong has been suggested for many other uses, based on tradition or on scientific theories. However, these uses have not been thoroughly studied in humans, and there is limited scientific evidence about safety or effectiveness. Some of these suggested uses are for conditions that are potentially life-threatening. Consult with a health care provider before using Qi Gong for any use.

Addiction Angina Anti-aging Anticoagulation Anxiety Asthma Atherosclerosis Attention-deficit hyperactivity disorder Back pain Cancer prevention and treatment Congestive heart failure Depression Diabetes Disability from chronic illness Fibromyalgia Gastritis Headache Heart attack prevention

Heart disease Immune stimulation Improved breathing Improved sleep Improved workplace efficiency Kidney disease Liver disease Mania Mental illnesses Multiple sclerosis Neurologic disorders Parkinson's disease Peripheral vascular disease Psychosis Respiration Stress reduction Stroke prevention

Potential Dangers

Qi Gong is generally believed to be to be safe in most people when practiced according to standard moderate principles and when learned under the guidance of a qualified teacher. Unguided exercises may worsen symptoms in some patients with psychiatric disorders. There is one report of an allergic skin reaction in Qi Gong trainees, although the exact cause is not clear. Qi Gong should not be used as the sole treatment for severe illnesses in place of more proven therapies. Use of Qi Gong should not delay consultation with a qualified health care provider for such conditions.

Summary

Qi Gong has been suggested for many conditions. Qi Gong may play a role in the management of chronic pain and high blood pressure as an addition to more proven standard treatments (such as prescription drugs). Qi Gong is generally believed to be safe when practiced appropriately, but it should not be used as the sole treatment for severe illnesses, and people with psychiatric disorders should only practice Qi Gong under supervision. Speak with a qualified health care provider if you are considering Qi Gong.

The information in this monograph was prepared by the professional staff at Natural Standard, based on thorough systematic review of scientific evidence. The material was reviewed by the Faculty of the Harvard Medical School with final editing approved by Natural Standard.

Resources

Natural Standard: An organization that produces scientifically based reviews of complementary and alternative medicine (CAM) topics
National Center for Complementary and Alternative Medicine (NCCAM): A division of the U.S. Department of Health & Human Services dedicated to research

Selected Scientific Studies: Qi Gong

Natural Standard reviewed more than 250 articles to prepare the professional monograph from which this version was created.

Some of the more recent English-language studies are listed below:

Agishi T. Effects of the external qigong on symptoms of arteriosclerotic obstruction in the lower extremities evaluated by modern medical technology. Artif Organs 1998;22(8):707-710.
Iwao M, Kajiyama S, Mori H, et al. Effects of qigong walking on diabetic patients: a pilot study. J Altern Complement Med 1999;5(4):353-358.
Lim YA, Boone T, Flarity JR, et al. Effects of qigong on cardiorespiratory changes: a preliminary study. Am J Chin Med 1993;21(1):1-6.
Loh SH. Qigong therapy in the treatment of metastatic colon cancer. Altern Ther Health Med 1999;5(4):111-112.
Mayer M. Qigong and hypertension: a critique of research. J Altern Complement Med 1999;5(4):371-382.
Reuther I, Aldridge D. Qigong Yangsheng as a complementary therapy in the management of asthma: a single-case appraisal. J Altern Complement Med 1998;4(2):173-183.
Suzuki M, et al. Clinical effectiveness of the AST Chiro method on the chronic renal failure and angina pectoris. Jap Mind-Body Science 1993;2(1):61-70.
Wang C, Xu D, Qian Y, et al. Effects of qigong on preventing stroke and relaxing the multiple cerebro-cardiovascular risk factors: follow up of 242 hypertensive patients for 30 years. Proc Second World Conf Academ Exch Med Qigong 1993;123-124.
Wu CY. An inquiry into the etiology of Qigong induced mental disorders and a follow-up study of fifty-three cases. J Clin Psych Med 1993;3:132-133.
Wu R, Liu Z. Study of qigong on hypertension and reduction of hypotensor. Proc Second World Conf Academ Exch Med Qigong 1993;125.
Wu WH, Bandilla E, Ciccone DS, et al. Effects of qigong on late-stage complex regional pain syndrome. Altern Ther Health Med 1999;5(1):45-54.
Yu X, Xu J, Shao D, et al. The auxiliary qigong therapy for Parkinson's disease and its effects on EEG and P300. J Intl Soc Life Info Science 1998;16(1):73-81.
Zhang SX, Guo HZ, Zhu J, et al. Qigong and L-1 straining maneuver oxygen system requirements with and without positive pressure breathing. Aviat Space Environ Med 1994;65(11):986-991.

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Last updated:	August 21, 2006

Medical content reviewed by the Faculty of the Harvard Medical School. Harvard Health Publications, Copyright © 2007 by President and Fellows of Harvard College. All rights reserved. Used with permission of StayWell.

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