Book excerpt: Progress in Molecular Biology and Translational Science, Volume 167, provides the most topical, informative and exciting monographs available on a wide variety of research topics related to Models and Biological Targets in Drug Discovery for Attention Deficit Hyperactivity Disorder, Novel Targets for Parkinson-Depression Co-morbidity. Utility of Cannabidiol (CBD) in Neuropsychiatric Disorders: A Short Review of the Recent Pre-clinical and Clinical Findings, The Many Sides of Microglia in Alcohol Use Disorders, Stress, Anxiety, Molecular Targets and More, Calcineurin Signaling in Psychiatric Disorders, Emerging Evidence for the Role of Pituitary Adenylate Cyclase- Activating Peptide (PACAP) in Neuropsychiatric Disorders, and more. Includes comprehensive coverage of molecular biology Presents ample use of tables, diagrams, schemata and color figures to enhance the reader's ability to rapidly grasp the information provided Contains contributions from renowned experts in the field