hi, well this is just an advice and it's up to you if you wanna follow or not. personally, while i was still reviewing for the dec2006 board exam, i really make it a point to have an adequate rest period in between my review sessions to give my brain some 'recharging'. yup, i sleep or just watch tv after 2-3 hours of reading and answering questions. i didn't enrol in any review centers due to the "issues" that made it to the headlines not too long ago, (with due respect to those who enrolled in review centers, i have nothing against them i'm just sharing my pov) because i fear that if any leakage comes out again, at least i won't have to worry cause my name wouldn't be included in the list. i focused on the doh books particularly their programs but in the past exam oh never mind i was just really surprised coz it was the first time i've heard of those questions. i even overheard the other examinees that they really had no idea where they came from, but still i'm thankful that i passed and my rating was much ok than my classmates who attended review centers. oh and practice answering questions on med-surg, then if you want to clear up something just look it up in your reference book so you won't forget. from my own opinion, it doesn't matter if you attended a review center or not, as long as you put your heart and set your mind into achieving something, then it will truly be yours. of course a good load of prayers also make wonders. my friend (who also didn't enroll) and i went to quiapo & baclaran churches a few days before the exam. i don't know if you're that religious or if you're a non-catholic, just pray to whoever you know is listening. i hope this helps, well, goodluck & godbless, future rn!