my son failed a drug test for the school nursing program..you need to take one becauste the hospital where the kids will do clinicals said so..he usesed no weed since jan i 2008.prior to that he was smoking 2 bowls every day for a few months[no school then]..he did pretox pills for 3 weeks..drank tons of fluids..failed witht a 70..ngi think you need a 20 or so to pass???.what do you do..he wentto school and said ..thats impossible[ he is asmatic] plus he thinks at a party on jan 6..there mak have been pot cookies/mufinsbut he does not think he should tell that[lots oo friends bring them to paries..but you dont think ..oh i cant eat till i take this test..plus it was 24 or so days since he quit.i fell soooo bad..he is freaked out[they dont do the test till you are already a student nurse for a month!!!help..they say may be we will do a retest..but what if its positive again.its now beem 30 days since his last bow. help?!!!thanks