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Trump's Conflicts of Interest
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Donald Trump's international web of businesses creates unprecedented potential for conflicts of interest and corruption. And some picks for his administration might have to face their own...

Prescription Painkillers Might Actually Cause Chronic Pain

A new finding could help explain why painkillers are so addicting.
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Prescription painkillers might actually do more harm than good, according to a recent study.

Researchers at the University of Colorado Boulder tested opioids, like morphine, on rats and found a few days' worth of doses caused months of chronic pain.

The painkillers were found to spur a "cascade" of reactions that led to more pain signals being fired from nerve cells in the spinal cord and brain.

One of the researchers said, "This is a very ugly side to opioids that had not been recognized before."

One Forbes contributor points out if painkillers work the same way in humans as they do in rats, it could help explain why they're so addictive. Using them could cause more pain, which, in turn, leads people to use them longer, leading to a vicious cycle.

Using relatively new technology, the researchers have also blocked specific receptors on cells that recognize the painkillers, which could prevent some chronic pain.

This video includes clips from CBS and images from Getty Images. Music provided courtesy of APM Music. 

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