Nail biting, often seen as a sign of nervousness, may indicate perfectionism, a study reveals. Perfectionists may bite their nails when bored or frustrated by unmet goals. Surprisingly, nail biting and thumb-sucking in childhood might reduce allergy risks by increasing microbial exposure, strengthening the immune system. Research suggests these habits could offer unexpected health benefits.from LifeStyle - Latest Lifestyle News, Hot Trends, Celebrity Styles & Events https://ift.tt/OaKbujp
