Medications

US officials target escalating drug overdoses

(HealthDay)—As deaths from heroin and prescription painkillers mount across the United States, government officials are searching for ways to stem the toll of addiction.

Neuroscience

Codeine could increase users' sensitivity to pain

Using large and frequent doses of the pain-killer codeine may actually produce heightened sensitivity to pain, without the same level of relief offered by morphine, according to new research from the University of Adelaide.

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