A blood marker could predict how people respond to antidepressants
Medical Xpress
February 27, 2026
Major depressive disorder (MDD) is among the most common psychiatric disorders, affecting approximately 330 people worldwide. This disorder is characterized by persistent feelings of sadness, hopelessness, low motivation, a loss of interest in daily activities, and possible disruptions in sleep and/or appetite changes.
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Originally published on Medical Xpress on 2/27/2026