<p>1. Neurobiological aspects of pain in the context of alcohol use disorder</p> <p>Jessica A. Cucinello-Ragland and Scott Edwards</p> <p>2. Pain, negative affective states and opioid-based analgesics: Safer pain therapies to dampen addiction</p> <p>Nicolas Massaly, Tamara Markovic, Meaghan Creed, Ream Al-Hasani, Catherine M. Cahill and Jose A. Moron</p> <p>3. The neural, behavioral, and epidemiological underpinnings of comorbid alcohol use disorder and post-traumatic stress disorder</p> <p>Hannah N. Carlson and Jeff L. Weiner</p> <p>4. Cannabis use and posttraumatic stress disorder comorbidity: Epidemiology, biology and the potential for novel treatment approaches</p> <p>Veronika Kondev, Nathan Winters and Sachin Patel</p> <p>5. Traumatic brain injury and the misuse of alcohol, opioids, and cannabis</p> <p>Alejandra Jacotte-Simancas, Elizabeth A. Fucich, Zachary F. Stielper and Patricia E. Molina</p> <p>6. Depression and substance use disorders: Clinical comorbidity and shared neurobiology</p> <p>Cali A. Calarco and Mary Kay Lobo</p> <p>7. The role of gut-immune-brain signaling in substance use disorders</p> <p>Kelsey E. Lucerne and Drew D. Kiraly</p> <p>8. Bidirectional causality between addiction and cognitive deficits</p> <p>Patrick R. Melugin, Suzanne O. Nolan and Cody A. Siciliano</p> <p>9. Drug addiction co-morbidity with alcohol: Neurobiological insights</p> <p>M. Adrienne McGinn, Caroline B. Pantazis, Brendan J. Tunstall, Renata C.N. Marchette, Erika R. Carlson, Nadia Said, George F. Koob and Leandro F. Vendruscolo</p>