Scientists have identified two specific types of brain cells that behave differently in people with depression, offering a ...

Diagnosing bipolar disorder can be difficult. While it is not hard to distinguish between its two characteristic phases—the high spirits of mania and the low spirits of depression—it is challenging to ...

Depression and seasonal affective disorder (SAD) share similar symptoms, but depression can occur at any time of the year, while SAD follows a recurring seasonal pattern. For a SAD diagnosis, a person ...

Dr Pies: I'm delighted to have my colleagues, Dr Sid Zisook and Dr Kathy Shear, join me in a discussion of grief, depression, and some of the controversies surrounding these topics. Sid and Kathy, as ...

Research is ongoing to better predict manic and depressive episodes in bipolar disorder to help support treatment. Learn more about some of the most common methods and tools. Bipolar disorder is a ...

Major depressive disorder (MDD) was prevalent among 32% of all individuals with cannabis use disorder (CUD) in a new meta-analysis, and CUD was prevalent among 10% of those with MDD, highlighting a ...