🧠Neurotransmission
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← Neurotransmitters

Vasopressin (ADH)

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Vasopressin (antidiuretic hormone) primarily regulates water balance, prompting the kidneys to conserve water, and raises blood pressure by constricting blood vessels. As a brain neurotransmitter it also shapes social behavior, pair bonding, aggression, and stress responses, complementing oxytocin. It links fluid and cardiovascular homeostasis with social and stress physiology.

Too little may be associated with

Diabetes insipidus (as hormone), social effects

Too much may be associated with

Water retention, high blood pressure

Informational only — not medical advice.

Stimuli that influence it

Functions

Books (7)

Podcasts

Research (24)

Links