Neuroscience

Pain and itch connected down deep

A new study of itch adds to growing evidence that the chemical signals that make us want to scratch are the same signals that make us wince in pain.

Medical research

Old drugs hint at new ways to beat chronic pain

Pain is an important alarm system that alerts us to tissue damage and prompts us to withdraw from harmful situations. Pain is expected to subside as injuries heal, but many patients experience persistent pain long after recovery. ...

Medications

Managing pain in the age of opioids

The data supporting the use of opioids to treat chronic, non-cancer pain is quite weak, says Michael Ashburn, director of the Penn Pain Medicine Center at the Perelman School of Medicine. As few as one in five patients may ...

Medical research

Journal Science retracts mouse virus link to fatigue

The prominent US journal Science on Thursday retracted a 2009 report linking a mouse retrovirus to chronic fatigue syndrome after it was disproved by researchers earlier this year.

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