A more potent form of fentanyl is contributing to the thousands of overdose deaths that happen every year, health officials warn.

An extremely powerful derivative of fentanyl, called carfentanil, was detected in 513 overdose deaths between 2021 and early 2024, according to a new report from the Centers for Disease Control and Prevention.

Carfentanil was designed to tranquilize large animals and is estimated to be 10,000 times stronger than morphine and 100 stronger than fentanyl.

The drug is so potent just........

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