Itching to Understand Dynorphin Knowing Neurons

Itching to Understand Dynorphin

Bzzzzzz!  Splat!  Ugh!  Anyone who has ever been around a campfire during the summer months is familiar with this progression of noises.  Mosquito bites and the resulting welts provide unwelcome souvenirs of time spent outdoors.  We all know we shouldn’t scratch.  Itch like pain is an aversive stimulus that alerts us to threats to the body.  But when the itch becomes too unbearable, we all give in.  Scratching is designed to remove irritants from the skin (at least temporarily), but don’t be fooled by this instant gratification!  Scratching causes tissue damage that increases the severity of the itch by releasing inflammatory particles.Continue reading