Scratching Power: Why Do We Itch? (VIDEO)


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“Happiness is having a scratch for every itch.” – said once the American poet Ogden Nash. We all know that super itchy feeling, which can cause a lot of nerves and stress. But why do we actually itch? Here is the answer from an educational YouTube channel It’s Okay To Be Smart. Have a look! 🙂

Preview: saludmovil.com


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