When soldiers came home from World War I and experienced flashbacks and nightmares, it was called shell shock. Years later, Vietnam vets were often told to repress memories rather than deal with them.

You’ve heard of bad timing – but a recent ‘bomb scare’ in Toulouse, France, took it to another level. A 24-year-old man arrived at the Rangueil Hospital’s emergency unit in agony, only for doctors to ...