There's a lot of evidence around hippocampus size in depressed patients. They tend to be smaller than average. After 6 months to a year of treatment with antide

There's a lot of evidence around hippocampus size in depressed patients. They tend to be smaller than average. After 6 months to a year of treatment with antidepressants the hippocampus grows to a larger size. It's speculated that hippocampus size might be one of the driving components of depression, but who knows. Mental illness is complex.