Add Yahoo as a preferred source to see more of our stories on Google. Most of us know about the “fight or flight” response, the body’s built-in survival instinct. But that framework leaves out two ...

There are many ways that the human body responds to stress, from the adrenaline rush of the "fight-or-flight" instinct to more subtle, complex changes that may not be immediately recognizable to us.

Most of us know about the “fight or flight” response, the body’s built-in survival instinct. But that framework leaves out two other common ways the nervous system reacts to stress. Indeed, ...