I'm new to this whole forum thing and I need a little help from some people who have actually been through something like this before. (I'm not looking for people to give me the "scientists' theory" or anything like that.) I have a basketball tournament tomorrow and a drug screening the day after. I haven't smoked in 12 days and have been exercisingeveryday before today. I recently started taking niacin a couple days ago. I need for someone to tell me, from PERSONAL EXPERIENCE. Whether I should play tomorrow or sit this on out. The team really needs me, but this drug test is also mandatory. Thanks for the help guys.