1.1M views · 2.9K reactions | “Shell Shock,” coined in WWI for soldiers’ psychological symptoms initially linked to physical trauma, later revealed a complex mix of psychological and physical factors, ultimately contributing to the concept of PTSD. Like history? Follow us @HistoryPhotographed  | History In Pictures | Facebook

In 1918, British soldiers suffering from "shell shock" — what we now call PTSD — were treated at the Devon Hospital in England. This rare footage shows their condition before and after therapy, capturing both the devastating effects of trench warfare and the first attempts at psychological treatment. | VibrantHistory