There Is One Weird Fear All Humans Share

Fear is a chain reaction in the brain that starts with a stressful stimulus and ends with the release of chemicals that cause a racing heart, fast breathing and energized muscles, among other things, also known as the fight-or-flight response. There is many different fears and phobias, but it seems that there is ONE weird fear we all share.

SEE ALSO: Extreme fearless people

A new study coming out of the University of Chicago found that all humans have innate fear of things that are moving closer to them! Why is this? Tara explains how evolution led to this fear that we all share.