What is the leading cause of depression?
Research suggests that continuing difficulties – long-term unemployment, living in an abusive or uncaring relationship, long-term isolation or loneliness, prolonged work stress – are more likely to cause depression than recent life stresses.
What personality traits might put a person at risk for developing depression?
Current evidence suggests that depression is linked to traits such as neuroticism/negative emotionality, extraversion/positive emotionality, and conscientiousness.
What is happening in your brain when you have depression?
The influx of cortisol triggered by depression also causes the amygdala to enlarge. This is a part of the brain associated with emotional responses. When it becomes larger and more active, it causes sleep disturbances, changes in activity levels, and changes in other hormones. Brain inflammation.