Threats are stimuli or situations that are perceived as potentially harmful or dangerous, activating the body's stress response system.
The physiological and psychological response to demands or pressures from the environment.
Fight-or-flight response: A physiological reaction that occurs in response to a perceived threat, preparing the body for either fighting or fleeing.
Sympathetic nervous system: Part of the autonomic nervous system responsible for mobilizing the body's resources during times of stress or danger.