Babies who are touched, talked to and paid more attention by caregivers develop more receptors for the “cuddle chemical” oxytocin over their first 18 months
Source:
https://www.newscientist.com/article/2220192-mothers-attention-may-shape-babys-hormone-system-and-temperament/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home