[태그:] Thumb-sucking

As a parent, you may have often scolded your child for thumb-sucking or nail-biting, seeing these habits as undesirable. However, recent research suggests that these behaviors may actually have a surprising upside – they could lower the risk of developing allergies. Allergy Prevention EffectThumb-sucking and nail-biting can increase a young child’s exposure to microbes, which…