Psychiatrists think inflammation may be at the root of some people’s illness. How to treat it is an open question.

Yet depression is often talked about as a disorder that causes low mood and other symptoms. Researchers describe this as a form of circular reasoning, which means that psychiatric diagnoses are ...

Pam Belluck has covered maternal mental health for a decade. Women who experience depression during pregnancy or in the year after giving birth have a greater risk of suicide and attempted suicide — ...