Just do this test to find out... Good luck!
To find out more on the topic, you can also watch this video where an expert explains what stress is, the physical and mental effects of being stressed, when it becomes a problem and when to seek help; it's at the end of the page, but remember to switch off the subtitles the first times you hear it (pressing "CC")
In any case, if you sometimes think you can't manage stress, you may need to watch this video from the NHS page, where an expert provides some techniques for managing stress.
So ... have you ever suffered / do you ever suffer from stress? Any symptoms? What did / do you do to deal with it? If you had a panic attack, what would you do? Please leave a short paragraph with your experience (and remember to sign it, please)