Linden tea and excercise! Cant emphasize the last one enough- youd be amazed how balanced it can keep you...also if your having like actual *trigger warning panic attacks I wouldn't advice you drink or smoke....yes not even weed
I would like to add that you should start using your analog watch to keep track of time instead of the little e-clock on the app. The app should be used only for the directions, 5 minute warning, and distractions.
Depends on your proctor. I got shafted once and given a warning for bubbling in a completed answer after the proctor announced to put our pencils down.