Drawing on his 35 years of training in Qigong and his Western scientific background in Physics and Mechanical Engineering, Dr. Yang presents a clear and fascinating explanation of his Qigong theory, and offers a simple Qigong exercise for students to begin experiencing their Qi. This program is a must for Qigong practitioners, acupuncturists, energy healers, and anyone interested in understanding exactly of how and why Qigong works.