**Contents**


#### **Rana El Rawas, In ˆes M. Amaral and Alex Hofer**

Is p38 MAPK Associated to Drugs of Abuse-Induced Abnormal Behaviors? Reprinted from: *Int. J. Mol. Sci.* **2020**, *21*, 4833, doi:10.3390/ijms21144833 .............. **169**
