Scientists design a drug that relieves pain like an opioid without some dangerous side effects

August 17, 2016 5:05 PM

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What if you could design a drug that has all the pain-relieving power of morphine but none of its dangerous or addictive side effects?

Scientists have spent years trying to do just that, and on Wednesday, they unveiled one of their most promising compounds yet — a chemical concoction they dubbed “PZM21.”

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