New research shows that high “affective polarization”—negative feelings toward those at the other end of the political divide—correlates with higher rates of PTSD.

You're probably familiar with PTSD, the acronym used to describe post-traumatic stress disorder. But how much do you actually know about this mental health condition? Many of us have seen it portrayed in movies: the character is usually a war veteran who is haunted by nightmares and flashbacks of some traumatic event experienced in combat.

For some, the recent election has had little effect on their day-to-day lives, but for others, it has introduced new anxieties and emotiona