What is the science behind fear?

Story highlights

Humans are born with two fears, the fear of falling and the fear of loud noises

Most fears are learned fears

Fear can increase dopamine in thrill seekers

CNN  — 

“I’ll huff, and I’ll puff and blow your house down,” calls out the deranged writer Jack Torrance, hunting down his wife and son, in Stanley Kubrick’s classic 1980 horror movie, “The Shining.” And as he takes a breath, he brings an axe down on the bathroom door and starts to hack away. At the same time you hear Shelly Duvall, who plays his wife, scream