Can Eating Poppy Seeds Really Cause You to Fail a Drug Test?

When Elaine on Seinfeld failed a drug test after eating a poppy seed muffin back in the 1996 episode "The Shower Head," the idea that you could fail a drug test after eating poppy seeds took off. Turns out, this wasn'tyet another Hollywood writer invention—you really can potentially fail a drug test if you eat poppy… » 4/21/14 2:00pm 4/21/14 2:00pm