Here is a sympathetic, yet objective appraisal of the concept of Qi (chee), the vital energy which is the unifying principle of Chinese medicine. Here are Chinese sages from the Yellow Emperor of 2700 B.C. to the very modern Dr. Fang, who remarks, "Acupuncture without Qi is only as effective as one man's sticking needles in another." And here are Chinese people from all walks of life as they seek relief, through a rebalancing of their Qi, their vital energy, for ailments from colds to cancer.