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Onychophagia, or nail biting, is a fairly common habit, affecting about 20 to 30...
Photo Credits: Promo
Photo Credits: Promo
Photo Credits: Promo
Photo Credits: Promo
Photo Credits: Shutterstock
Photo Credits: Promo
Photo Credits: Promo
Photo Credits: Promo
Photo Credits: Promo
Photo Credits: Promo