In a recent meta‐analysis spanning 14 studies with over 15,000 participants, Wang, Shelton, and Dwivedi (2018) found strong evidence of interactions between FKBP5 genotypes and early‐life stress contributing to the risk of major depressive disorder (MDD) and post‐traumatic stress disorder (PTSD). This evidence concerns the gene FKBP5 and major depressive disorder.