Fear and anxiety are both responses to danger but differ in timing. Most individuals respond to fast threats in the same way - they run. But when it comes to slow threats, the more anxious they are, the sooner they will flee a situation. “Anxiety is not necessarily built for the modern world.”

See the source article by following the link below:
Fear and anxiety are both responses to danger but differ in timing. Most individuals respond to fast threats in the same way - they run. But when it comes to slow threats, the more anxious they are, the sooner they will flee a situation. “Anxiety is not necessarily built for the modern world.”