Scientists may be a step closer to that reality, thanks to new research that has identified six subtypes - or "biotypes" - of major depression ... for people with those types, Williams said.

Using a machine learning approach known as cluster analysis to group the patients' brain images, they identified six distinct ... in depression and anxiety, but there could be other types of ...

Risk factors for the persistence of depression identified in this review were: severity and chronicity of the depressive episode, the presence of suicidal thoughts, antidepressant use, poorer self ...