Chinese hypnosis can cause qigong induced mental disorders

EDITOR—Qigong (“exercise of vital energy”) is a Chinese healing system based on trance. It consists of meditational or movement exercise, or both, induced by use of a highly culture syntonic set of suggestions based on the concept of qi (vital energy). It has been estimated that about 5% of China's 1.3 billion people practise qigong, so this may be the most common form of “hypnosis” practised globally. Vickers and Zollman have …