Alcohol Use Disorder, also known as alcohol abuse, is related to post-traumatic stress disorder and depressive disorder, and has symptoms including hangover from any alcohol or other drugs substance and hangover from alcohol. An important gene associated with Alcohol Use Disorder is CYP2E1 (Cytochrome P450 Family 2 Subfamily E Member 1), and among its related pathways/superpathways are Metabolism and Transmission across Chemical Synapses. The drugs Baclofen and Diazepam have been mentioned in the context of this disorder. Affiliated tissues include brain and liver, and related phenotypes are homeostasis/metabolism and nervous system