Creating a safer fentanyl. How researchers are making the deadly drug less addictive

A group of scientists say they've created a safer version of fentanyl that could potentially diminish the drug's addictive side effects, which have resulted in annual deaths of tens of thousands of people across the United States.
A group of scientists say they’ve created a safer version of fentanyl that could potentially diminish the drug’s addictive side effects, which have resulted in annual deaths of tens of thousands of people across the United States.