When faced with a threat to survival, animals default to "fight or flight," also known as an "acute stress response." That triggers a set of physiological changes, preparing the body to either either fight or flee from danger. From the smallest insects to the largest mammals, all members of the animal kingdom are wired to protect themselves from injury or death. Now a team of scientists from the University of Utah are claiming that at the individual level, we may be built for only one response or the other.
Fight, Flight, or Freeze
Is Human Survival Selfish? Fight Or Flight Explained
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