Exams on benzos isn't a great idea......
In fact any activity where remembering stuff is called for isn't a great idea
In defense id say good ideas while on benzos are few and far apart...
failing exams doesnt mean all that much, but perseverence and learning from mostakes of the past is important.
good luck with the chem exam! Just dont do drugs.
conversely, i feel there is a bit too much fear of exam anxiety. Personally i find there is much to gain from a bit of emotion before a test, as long as it isnt paralyzing panic


