I believe a panic disorder is worse than a panic attack.You can have a panic attack once but when you start having recurrent panic attacks and it begins to affect aspects of your life it becomes a panic disorder. Here is a link to a useful article on this http://treatpanicattacks.info/panic-attack-disorders/
It's kind of straight forward...you panic, its a disorder
A generalized anxiety disorder (GAD) or panic disorder.
A panic disorder. Experts estimate that 2-3% of the American population suffers from a panic or anxiety disorder.
Who was the first to discover panic disorder?? Well, your question is not very clear. Do you mean who is the first person to actually diagnose and give the name 'panic disorder' to this condition? or do you mean who was the first person to actually 'develop' panic disorder?? Panic disorder is when a person has been suffering one month or more from panic attacks, and has been worried about the reoccurance of these attacks. I should think that people have been suffering from this disorder for many years - particuarly stressed people or perfectionists. The term panic disorder is just a follow on from panic attacks. No-one 'discovered' panic attacks or panic disorder. You make it sound like the discovery of a new unfound island or country!
Yes, it's a manifestation of a panic disorder which is a category of anxiety disorders. They fall within the broader mental disorder category.
I have panic disorder ........ it does but they are not mad they want to help because they are your family!...belive me .. i know
Depressive disorder
Webmd.com has a great selection on panic disorder information. Articles range from how to realize you are having a panic attack to how to stay calm and collected during a panic attack until it passes.
People with untreated panic disorder may have problems getting to work or staying on the job. As the person's world narrows, untreated panic disorder can lead to depression, substance abuse, and in rare instances, suicide.
Katerndahl, David A. "Panic Attacks and Panic Disorder." Journal of Family Practice 43 (September 1996): 275-283.
Panic disorder requires professional treatment, and possibly medication. Call your local Mental Health Association for guidance.