A new rule broadens the definition of post-traumatic stress disorder, allowing non-combat veterans to receive disability benefits for being traumatized by events they did not actually experience.

Over the last hundred years, psychiatry has taken very different perspectives on war stress.

Richard J. McNally's Remembering Trauma is a powerful counterweight to literature that is often sloppy and to a field that is too often susceptible to the promptings of politics and culture.