Seven BILLION dollars. That's not chump change, and it is what Americans spend on Halloween every year... decorations, costumes, candy, all of it.
Sure, it's a party, but it's a party in part about scaring people.
Why DO we like to scream, at least if it's followed by a good laugh? That's the domain of sociologist Dr. Margee Kerr, the rare academic who is considered a "scare specialist."
She shares the findings of some of her research with us... and psychologist David Zald from Vanderbilt University visits to talk about the biological roots of fear.
Tune in... if you dare...