This section will include pain research in the news, general stories about research and findings, pain abstracts in the news, and PubMed abstracts

Obesity and the Risk of Incident Chronic Opioid Use in Rheumatoid Arthritis

 We evaluated whether the rate of incident chronic opioid use is higher in obese patients with rheumatoid arthritis (RA). Full story .
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UK Study Shows Opioid, Sedative and Antidepressant Use Pre-Surgery Leads to Worse Outcomes

A study led by University of Kentucky Markey Cancer Center researchers showed that patients who already used opioids, sedatives or antidepressants prior to colorectal surgery experience significantly more complications p...
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Minimally-Invasive Treatment for 'Frozen Shoulder' Improves Patients' Pain and Function

Pinhole incision enables blocking of blood supply to an inflamed joint, providing long-term relief. Full story .
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Delta Opioid Receptor Identified as Promising Therapeutic Target for Inflammatory Pain Relief

  Delta opioid receptors have a built-in mechanism for pain relief and can be precisely targeted with drug-delivering nanoparticles—making them a promising target for treating chronic inflammatory pain with fewer si...
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Legal Cannabis Hemp Oil Effectively Treats Chronic Neuropathic Pain

Researchers at The University of New Mexico (UNM) showed that legal Cannabis hemp oil reduced mechanical pain sensitivity 10-fold for several hours in mice with chronic post-operative neuropathic pain. Full story .  ...
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Could Electrical Impulses Relieve Chronic Pain by Stimulating the Vagus Nerve?

A new microanatomical study investigated in detail spatial arrangements of the nerve fibers and blood vessels in the ear to position the electrodes in the ear. Until now, physicians had to rely on experience to place the...
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Sex Bias in Pain Research

According to a review paper from McGill University published in Nature Reviews Neuroscience , most pain research remains overwhelmingly based on the study of male rodents, continuing to test hypotheses derived from earli...
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Microstructural Changes in the Trigeminal Nerve of Patients With Episodic Migraine Assessed Using Magnetic Resonance Imaging

There is histological evidence of microstructural changes in the zygomaticotemporal branch of the trigeminal nerve in migraineurs. This raises the possibility that altered trigeminal nerve properties contribute to migrai...
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Weather Patterns Associated with Pain in Chronic-Pain Sufferers

The belief that weather influences people's health has been prevalent for millennia. Recent studies on the relationship between weather and pain for those who suffer from chronic pain remain indeterminate, with some stud...
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IL-23 in Arthritic and Inflammatory Pain Development in Mice

The cytokine, interleukin-23 (IL-23), can be critical for the progression of inflammatory diseases, including arthritis, and is often associated with T lymphocyte biology. We previously showed that certain lymphocyte-ind...
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