Age differences in major depressive disorder symptoms

Major depressive disorder (MDD) is a mood disorder commonly noted by mental health clinicians. The DSM-IV TR diagnosis involves two weeks of either depressed mood or anhedonia and four symptoms concerning altered sleep, appetite, energy, weight and movement and disturbed thoughts involving guilt, worthlessness, indecisiveness and suicide (Butcher, Mineka & Hooley, 2007). Current empirical evidence […]

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