Mood symptoms alone do not account for the extent of disability associated with MDD. 12 Cognitive impairment, 1 of the 9 core symptoms of MDD (see Table 1), is significantly associated with impaired ...

Study: Genome-wide association analyses identify distinct genetic architectures for early-onset and late-onset depression. Image credit: Bits And Splits/Shutterstock.com Major depressive disorder (MDD ...

Major depressive disorder (MDD) is a disturbance of mood that may have persistent and long-term consequences impacting patients’ overall level of functioning and quality of life. 1 Historically, ...