Why do people get itchy?
In: Biology
If something is on your skin and it shouldn’t be, the body needed to find a way while evolving to get humans to remove the irritant.
Bug is on you. Now you’re itchy. Bug gone.
You feel something amiss and your first instinct is to scratch and remove what ever is potentially trying to hurt you.
Itchy is just how you perceive the sensation of swelling or trauma to the skin when your body wants you to get rid of what is causing that feeling.
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