Post traumatic stress disorder resulting from medical issues is more common than you might think. Here's why it happens and what it looks like.

When a story moves from a video game to a linear TV series, there’s a lot that has to be sacrificed. First and foremost, the interactivity is gone. Viewers aren’t literally acting as the main character, so extra steps have to be taken to ensure the protagonist is sympathetic. But another large — and often overlooked — factor is finally rearing its ugly head, and could jeopardize The Last of Us’ Season 1 finale.