Brain cells (magenta) in the reward center of a rat’s brain release dopamine in response to opioids. According to a new study by WashU Medicine researchers, male and female rats with a chronic pain ...

A new study has revealed that cannabidiol, a non-intoxicating compound found in the cannabis plant, may help prevent opioid ...

Opioid overdoses are a major public health issue in the U.S., killing tens of thousands of people every year. The medicine naloxone, which is available as an over-the-counter nasal spray or given by ...

New research reveals previously unknown ways opioid receptors can function, opening the door to safer pain treatments.