Thumb sucking is considered a natural reflex and even fetuses in the womb suck on their fingers and thumbs. Many children give up the habit before they start preschool, but for persistent thumb suckers, intervention might be necessary.
Read MoreThumb sucking is considered a natural reflex and even fetuses in the womb suck on their fingers and thumbs. Many children give up the habit before they start preschool, but for persistent thumb suckers, intervention might be necessary.
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