 It asserts that the patient will die if not treated with "heaty" drugs in time.Factors of cultural expectation in the genesis of koro can be built upon ideas of sex physiology in the traditional Chinese medicine, with free play of imagination which links fatality with genital retraction.In the ancient Chinese medical book "Zhong Zang Jing" (), retraction of the penis with distension of the abdomen was described as a certain sign of death.