All the armies in the First World War had a word for it: the Germans called it Kriegsneurose; the French, la confusion mentale de la guerre; the British “neurasthenia” and, when Dr Charles Samuel Myers introduced the soldiers’ slang into medical discourse in 1915, shell shock. Twenty-five years later, it was “battle fatigue”; by the end of the 20th century, it became post-traumatic stress disorder (PTSD).
In December 1914, a mere five months into “the war to end war”, Britain’s armed forces lost 10 per cent of all frontline officers and 4 per cent of enlisted men, the “other ranks”, to “nervous and mental shock”.
An editorial that month in the British medical journal The Lancet lamented “the frequency with which hysteria, traumatic and otherwise, is showing itself”.
