Anxiety can trigger your flight-or-fight stress response and release a flood of chemicals and hormones, like adrenaline, into your system.
In the short term, this increases your pulse and breathing rate, so your brain can get more oxygen.
This prepares you to respond appropriately to an intense situation.
Can anxiety damage the brain?
Chronic stress, anxiety can damage the brain, increase risk of major psychiatric disorders. However, when those acute emotional reactions become more frequent or chronic, they can significantly interfere with daily living activities such as work, school and relationships.
What part of the brain is responsible for anxiety?
The emotional memories stored in the central part of the amygdala may play a role in anxiety disorders involving very distinct fears, such as fears of dogs, spiders, or flying. The hippocampus is the part of the brain that encodes threatening events into memories.
How does anxiety affect the body?
Dizziness and lightheadedness are potential symptoms of anxiety. Anxiety can have a significant effect on the body, and long-term anxiety increases the risk of developing chronic physical conditions. The body responds, for example, by releasing adrenaline and cortisol, which many describe as stress hormones.
How long can anxiety last?
Differences in duration. Anxiety is often related to a specific situation. It tends to build up and continue for some time. A panic attack starts suddenly, symptoms peak after 10 minutes and usually abate after 30 minutes or so, although the effects may last longer.