Dr. Chung-Chieh Hung is a specialist in Psychiatry and Addiction Medicine at the Department of Psychiatry, China Medical University Hospital, where he holds board certifications in both Psychiatry and Addiction Medicine. His expertise includes the diagnosis and treatment of general psychiatric disorders such as schizophrenia, bipolar disorder, depression, and sleep disorders, as well as a specialized focus on the treatment of alcohol and substance use disorders. His work spans areas such as pharmacotherapy, psychotherapy, innovative treatments, and research on the genetic and molecular mechanisms involved in addiction to common and emerging substances, such as betel nut. Dr. Hung is also one of the few professionals in Taiwan who holds both a Doctor of Medicine and a Master's degree in Law. He is an expert in cross-disciplinary forensic psychiatry, currently pursuing a doctoral degree in law at National Chung Cheng University. With over ten years of experience, he is highly skilled in providing forensic psychiatric evaluations for complex civil and criminal cases.