I don’t know about you, but when I get a mosquito bite , I can’t help but immediately scratch. It feels so good … until it doesn’t. Am I imagining things—or does scratching end up prolonging the misery? “Scratching is a bad idea,” says Daniel Kaplan, MD, PhD, a professor of dermatology and immunology at the University of Pittsburgh. He should know: His research team published a 2025 study in Science that uncovered the unexpected reason why scratching itchy skin can make things worse. (I knew it!) Read on to learn why it’s a mistake to scratch, the wild science behind why scratching sometimes feels kind of great, and how to make your bites way less itchy and uncomfortable. It’s easier than you think—if you use the right tactic. Get Reader’s Digest ’s Read Up newsletter for more fun facts, life hacks, humor, cleaning, travel and tech all week long. Why do bug bites make us so itchy? When a mosquito bite...
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