i too have found that they have become much less frequent as i get older. but even when they happened more commonly, just knowing what was happening helped me to cope. it was much scarier when i wasn't sure what was happening (was i going insane? having a heart attack?...). so im glad to see more awareness about it now, and hopefully people don't have to go through a long scary period like i did
Same experience. The first one's brutal. The uncertainty of what's happening and the fear forms a negative feedback loop, only making it worse. Am I having a heart attack? In my 20s?! But, ever after, I found them pretty easily defused with, "Ugh. This again. Yeah, yeah..."
The anxiety itself is still unpleasant, and sometimes it can take novel forms, symptomatically, which is cute (and a good way to jade you to legitimate medical issues). Fortunately, though, I've had nothing as intense as my first or second panic attacks to date.