[Female voice-over] The answer is B.
[Dr. Wilson Compton speaking] Only a tiny bit can cause an overdose. It is remarkable how potent fentanyl is, even compared to other dangerous opioids like heroin or oxycodone. Fentanyl is estimated to be something like 50 times more potent than heroin. So that means that even just a few small grains of this substance can cause a fatal overdose.
It can mixed-in with other drugs. It can even be in the form of pills that mimic medication that come from a pharmacy. But when it shared on the streets and shared by teenagers, you never know what you are getting. Fentanyl is extremely dangerous.