<p>I take ginkgo once every couple of weeks and a two pills of smart focus, the cvs brand of focusfactor, the night before any exam. And it works most if the time. And hey, who cares if its the placebo effect. If it works, it works. Other ppl drink coffee, I take herbs (im talking about ginko, not focusfactor). I’m gona get flamed for this but, Eastern medicine FTW :)</p>