Objectives:(1) To understand the general situation of new-type drug abuse inWuhan and the mental health and sleep status of new-type drug abusers.(2) To testtryptophan for efficacy in reducing mental symptom and sleeping disorders indetoxified new-type drug abusers, compared to placebo.
Methods: An investigation was conducted with self-developed basic informationquestionnaire, Symptom Checklist90(SCL-90) and Athens Insomnia Scale (AIS)among new-type drug abusers in Wuhan Compulsory Residential Drug Abst...