Myth: Drug Tests

Wiki - Drug Test Urban Legends
Common Myths:
1) Drinking vinegar will help you pass
2) High doses of niacin will help you pass
3) Secondhand exposure will cause you to fail
4) Ibuprofen causes false positives for THC
5) Poppy seeds cause false positives for opiates
6) Cannabis remains detectable in urine for 30 days or more
As a side note, a popular medical blog asked if physicians should undergo random drug screening.