i read that too much test kills brain cells.found it on the net.then i thought,****,im going to be a ****in dumbass sooner or later.who knows.the least to say,i have an uncle who does crack and hes pretty ****in smart.arent those supposed to kill brain cells>??i also have a friend starting his 1st cycle of sust 250.and hes already a ****in retard.cant wait to see how much stupider he becomes later on.