Elaine famously failed a drug test after eating a poppy seed-covered muffin in a 1996 episode of “Seinfeld.” TBS In his warning, Cisneros readily acknowledged that “concerns with poppy seeds ...

Poppy seeds can become contaminated with opiates during harvesting. For the US Defense Department, invoking a ‘poppy seed defense’ may not be enough to rule out a positive drug test result.

All service members have been advised by the Pentagon to stop eating poppy seeds or risk registering a false positive on military drug tests. Certain varieties of the small black seeds, which are ...