Molecular Switch Triggers Itch (IMAGE) Society for Neuroscience Caption A new study of male mice published in JNeurosci uncovers two distinct pathways through which a single molecule can cause both itchy and painful skin. The research could inform the development of drugs for a variety of skin diseases. Credit Hill et al., <i>JNeurosci</i> (2018) Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.