Prof. Li believes that although their methods include a large amount of irrational superstition the faith-healers are not without their positive side. He points out that a study of 19 patients treated by a Chinese faith-healer found that 17 were actually cured.
他指出，哈佛大學克乃曼醫師，曾在台北為十九個被乩童治過病的人作醫學檢驗，結果顯示有十七位病人真正病癒了，只有二位沒有效果。