What Does Horror Do That Other Genres Don't?

What:
dialog
When:
Saturday Aug 22   03:00 PM to 03:45 PM (45 minutes)
Where:
CC - Bays 111B
Horror can turn you inside out, keep you up all night and give you thoughts you wish you'd never thought of before (thanks so much Dan Simmons!).  Does it have to be about death and dismemberment?