China Carfentanil Ban a 'Game-Changer' for Opioid EpidemicSo deadly it's considered a terrorist threat, carfentanil has been legal in China— until now. Beijing is banning carfentanil and three similar drugs as of March 1, China's Ministry of Public Security said Thursday, closing a major regulatory loophole in the fight to end America's opioid epidemic.

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