Scratching activates mast cells that release histamine and substance P, creating a prolonged itch-scratch cycle that worsens skin inflammation.
Scratching a bug bite or rash may seem irresistible, but itll only provide temporary relief and likely prolong the itch, researchers found.
Scratching is a natural response to a skin irritant that iā¦ [+3309 chars]
Scratching is a natural response to a skin irritant that iā¦ [+3309 chars]