Your Brain on Fentanyl
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Fentanyl is a prescription painkiller that has been used medically for many years. Now, however, people are using heroin which has been cut with fentanyl analogues many magnitudes stronger than the original drug—carfentanil, for example, "which is 10,000 times more powerful than morphine and has been cited for its possible use in chemical warfare."
These substances are flooding the illegal U.S. drug market and causing an unprecedented number of overdoses. What makes this drug so much more deadly than other opioids and why is it so readily available?
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In this animation, AsapScience explains how fentanyl affects the brain, where the illicit fentanyl is coming from, and what the future looks like.
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