Major depressive disorder (MDD) is one of the most common psychiatric illnesses worldwide, but its molecular causes have still not been clearly identified. A research team has discovered that depression may not simply be caused by neuronal damage, but can also arise from the dysregulation of specific neural signaling pathways. In particular, they identified the molecular reason why elderly patients with depression do not respond to conventional antidepressants.
This article was originally published on MedicalXpress.com
