The fight-or-flight response is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival. Cortisol is released in response to fear or stress by the adrenal glands as part of the fight or flight mechanism.

Stress Hormone (Cortisol) – mental and physical stress releases cortisol.

To have a better understanding it may be beneficial to take a closer look at how the hormones – cortisol, estrogen/testosterone and thyroid maybe contributing. It can be caused almost exclusively by hormonal imbalances, but more commonly a combination of hormones and previous mental health issues or nothing to do with hormones at all. Poorly functioning hormones can be a contributing factor to the onset of anxiety. Sleep problems (difficulty falling or staying asleep or restless, unsatisfying sleep).Restlessness or feeling wound-up or on edge.People with generalised anxiety disorder display excessive anxiety or worry for months and face several anxiety related symptoms, which include: The feelings can interfere with daily activities such as job performance, school work, and relationships.

For a person with an anxiety disorder, the anxiety does not go away and can get worse over time. But anxiety disorders involve more than temporary worry or fear. If you find yourself a victim of bruxism as a result of your anxious thoughts, there are cosmetic treatments available to help. You might feel anxious when faced with a problem at work, before taking a test, or making an important decision. Occasional anxiety is a normal part of life.

Anxiety and adrenal gland