The Walrus | Y Ots/Unsplash/iStock/A Luisa OJ
In 2022, prolonged grief disorder was added to a text revision of the fifth Diagnostic and Statistical Manual of Mental Disorders (DSM-5), a guidebook referenced by clinicians around the world. Too much grief had become an official diagnosis. The idea of prolonged grief came about in the 1990s and has sparked controversy among experts since.