Cheating Drug Tests Could Soon Land You A Hefty Fine In Michigan Look, we know many jobs drug test and even though marijuana is legal for recreational use here in Michigan, employers can still deny you employment if it is found in your system. So what is one to do if they are unsure they can pass a drug test (or absolutely know they won't)? Get our free mobile app This is definitely not an endorsement of these practices; however, I've been to college and I've heard people give examples of how they "clean out". I've heard: eat really greasy foods, drink tons of water, take niacin to "sweat it out" and more...but honestly, you can't confidently trust those things.