Hypothalamus

The body's thermostat

How does the hypothalamus work?

An almond-sized brain region that regulates temperature, hunger, thirst, sleep timing and hormone release.

Evidence & sources

• The hypothalamus helps control body temperature, hunger, thirst and the release of pituitary hormones. Evidence: established. Known: Foundational neuroscience. Unknown: — Source: MedlinePlus (US National Library of Medicine), Hypothalamus (medical encyclopedia) (Current revision).

Connected topics

• Pituitary Gland
• Temperature Control
• Hunger & Fullness
• Circadian Rhythm
• Hydration & Electrolytes
• Brain

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General education only, not medical advice. Drafted Oct 2026 · pending qualified expert review.