Does the structure of your brain affect your risk of depression?

The thalamus (top) and hippocampus (bottom) in the brain may both be involved in depression
MattLphotography / Alamy
Depression has been linked to a larger-than-expected network of neurons that work together across parts of the brain, but not everyone is convinced that this network actually causes the condition.
Like many medical conditions, depression doesn’t have a single cause, but can be brought on by a traumatic life event, such as a bereavement, and has also been linked to genetics.
Studies also suggest that depression is…