Man is not the only one to hide behind a mask—the mental disorder of depersonalization every so often hides itself behind the mask of a medical emergency—physical disorders that can prompt a trip to ...

For almost half a century, feeling unreal has been known as DPD, an abbreviation for Depersonalization Disorder. Now it is about a year since feeling unreal has been renamed. The new fifth edition of ...

If you've ever experienced a panic attack, you might have felt as though you were observing yourself from outside or that the world around you wasn't real. These symptoms—referred to as ...