Um, no. I've been in practice for a few years now. I didn't use it at all for Step 2 in 2000, and actually gave my books away in 2001. I have to say the only book my wife (class of 2004, different med school) and I have mentioned we wished we had kept (and hence bought another copy) was "Microbiology made ridiculously simple" -- actually, maybe it was "Pharmacology made ridiculously simple." I have to say that I don't even know how to spell D-N-A. I only know what Tryptophan is because I learned IN FELLOWSHIP that it eventually turns to dopamine, and apparently there's something called the "Kreb's cycle"?