Researchers discovered that nociceptors, the nerve cells responsible for transmitting pain, function differently in males and females, leading to sex-specific responses to pain stimuli. This finding suggests potential for personalized, sex-based pain treatments.

Hernandez-Lima et al. show that C. elegans responds to the presence of dead conspecifics
with aversive behavior and a reduction in fitness and lifespan. This response is mediated
by glutamate- and acetylcholine-dependent signaling through AWB and ASH sensory…