Medical research

Discovery suggests route to safer pain medications

Strategies to treat pain without triggering dangerous side effects such as euphoria and addiction have proven elusive. For decades, scientists have attempted to develop drugs that selectively activate one type of opioid receptor ...

Medical research

How opioid drugs get into our cells

The human body naturally produces opioid-like substances, such as endorphins, that block the perception of pain and increase the feeling of well-being. Similarly, opioid drugs, including morphine or fentanyl, are widely used ...

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