This is part two of a feature article on sex differences in chronic pain.
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Opioids Can Heighten Pain Through an Immune System Protein
A new study shows how opioids can actually increase pain. The relevance of the findings to people with persistent pain remains uncertain.
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Real People Sharing Their Pain Stories
Three leading advocates tell their pain stories, as part of IASP's Global Alliance of Pain Patient Advocates.
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After a New Clinical Trial, Where Is a Promising Treatment for Osteoarthritis Pain Headed?
Results confirm that tanezumab, an antibody therapy, relieves pain, but joint safety remains a concern.
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Human Tissue in Pain Research — A Promising Fix for a “Leaky” Drug Development Pipeline?
Effective pain relievers discovered in animal studies often fail in clinical trials, but testing drugs in human tissues first may overcome this problem.