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Little Baby Sucking Their Thumb

Thumb Sucking—A Most Common Habit

What’s the most common thing nearly half of American toddlers do when they’re tired, relaxing, sleeping or being scolded? They suck their thumbs! Thumb-sucking is the earliest and most common habit among children. It’s nothing for parents to worry about—unless the habit persists. Only after age four does thumb-sucking threaten to damage children’s teeth Some […]

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