Anxiety is a normal reaction to danger and stress in your life. However, it can grow out of control, at which point it becomes an anxiety disorder. Knowing the difference between normal anxiety and a disorder can be key in dealing with it and/or getting professional help.
Symptoms of anxiety include restlessness, uncontrolled worry, irritability, difficulty concentrating and problems falling asleep or staying asleep. People with anxiety disorders often experience these symptoms to a greater degree than someone with normal levels of anxiety.
There are many types of anxiety, many causes of anxiety and many types of treatment and counseling for anxiety. Being able to identify the type and cause of an anxiety disorder is a big step in getting the proper treatment.
Learn more about what you need to know about anxiety here: https://www.medicalnewstoday.com/articles/323454.php