Professor Charles Rosen tells CNN about the symptoms and causes of depression . We might say that depression is caused by hyperactivity of body-brain danger pathways and not enough activity in brain areas that help us get a grip on our emotions . Some people carry genes that make them more prone to depression . When people are emotionally depressed they tend to lose interest in the world around them .
Professor Charles Rosen tells CNN about the symptoms and causes of depression . Some people carry genes that make them more prone to depression . When people are emotionally depressed they tend to lose interest in the world around them .