Posterior pituitary Brain + Body

A hormone and neuropeptide central to social bonding, trust, childbirth (uterine contractions), and lactation (milk letdown). Released by warm social contact.

Too little may be associated with

Reduced social bonding cues.

Too much may be associated with

Rarely an issue physiologically; medically, overstimulation of labor.

Informational only — not medical advice.

Organ systems

Stimuli that influence it

Behaviors

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