I want to improve my reading and comprehension concentration for a few hours at a time using drugs/chemicals/foods only. Yes I believe you that meditation and exercise are the ideal solutions but I just want to be my usual averagely healthy self when Im not concentrating. I also don't care about negative short-term after-effects. [more inside]
posted by zaebiz on Sep 15, 2007 - 13 answers

About how long does the "high" of a Red Bull Sugarfree last, on average? (If there's a "low," about when does that kick in?)
posted by esd on Feb 7, 2005 - 14 answers