Conclusion
Feeling anxious is considered normal and with time one will get stable. Anxiety disorder on the other hand can be more severe and would require special care if it persists. You should discuss with your doctor to put you through ways to manage anxiety disorder.
References;
[1] https://www.britannica.com/science/amygdala
[2] https://www.nimh.nih.gov/
[3] https://www.psychiatry.org/psychiatrists/practice/dsm
[4] https://www.nhs.uk/mental-health/conditions/generalised-anxiety-disorder/symptoms/
[5] https://www.medicalnewstoday.com/articles/248002