Anxiety can be beneficial as it helps increase your focus and keeps you alert for danger when the situation warrants it.
Anxiety is a normal reaction to stressful situations like taking a test or giving a presentation. Anxiety can be beneficial as it helps increase your focus and keeps you alert for danger when the situation warrants it. However, when feelings of fear or distress become overwhelming, their intensity is out of proportion to the situation, or they interfere with daily activities, it could indicate an anxiety disorder.