Women who do not need pain relief during childbirth may be carriers of a key genetic variant that acts as a natural epidural, say scientists at the University of Cambridge. In a study published in the journal Cell Reports, the researchers explain how the variant limits the ability of nerve cells to send pain signals to the brain. Full story.
In research published online April 8 in the Journal of Neuroscience, the calcitonin gene-related peptide (CGRP) is implicated in the development of migraine symptoms caused pain responses in female rodents, but not in males, when introduced into the meninges, the protective tissue layers surrounding the brain.
American Academy of Pain Medicine