Kiss and tell: study says saliva sharing a signal for babies learning about relationships

New research shows that for babies and toddlers, interactions specifically involving saliva exchange serve as a cue about social attachments and who they can count on. (Source: Pexels)
New research shows that for babies and toddlers, interactions specifically involving saliva exchange serve as a cue about social attachments and who they can count on. (Source: Pexels)

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