Medical research

Scientists take a big step toward building a better opioid

For the first time, scientists at the University of North Carolina School of Medicine and collaborators solved the crystal structure of the activated kappa opioid receptor bound to a morphine derivative. They then created ...

Addiction

Electroacupuncture can relieve pain during alcohol withdrawal

(HealthDay)—Electroacupuncture (EA) can alleviate hyperalgesia during ethanol withdrawal, and this effect may involve mu opioid receptors (MORs) in the habenula, according to an experimental study published online Feb. ...

Medications

Researchers identify source of opioids' side effects

A commercially available drug may help drastically reduce two side effects of opioid painkillers—a growing tolerance and a paradoxical increased sensitivity to pain—without affecting the drugs' ability to reduce pain, ...

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