Most experts agree that acupuncture is safe, but does it work? And what is the circulation of Qi, the meridian system, and the five phases theory? Find out all about acupuncture on today's Please Explain. Leonard is joined by Dr. Richard Hammerschlag, Neurobiologist and Dean of Research at the Oregon College of Oriental Medicine, and Martin Feldman, Acupuncturist and Instructor at the New England School of Acupuncture.

Tell us about your experiences with acupuncture. Has it worked for you? What would you like to know about it?