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

19K views · 357 reactions | 1000 Yard Stare - Symptoms of Shell shock | Simple History | Facebook

34K views · 337 reactions | Sneak peek #2 still a long way to go and a lot of cleaning, but we are getting there 殺 | Shell Island | Facebook

841K views · 5.1K reactions | 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 | Facebook

Once known as "shell shock" or "soldier's heart," the understanding...