Bacteria on your skin cause your itches. Specifically, bacteria known as Staphylococcus aureus can release a chemical that activates a protein in our nerves. This sends a signal from our skin to our brains, which our brain perceives as an itch.
100 Mind-Blowing Staphylococcus Facts
The bacteria on your skin cause itching on your skin. Staphylococcus aureus releases a chemical that activates a protein in our nerves and tells our brain that there is an itch.