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In the brain’s hypothalamus is the suprachiasmatic nucleus, better known as the what?

Inside the hypothalamus is the suprachiasmatic nucleus, better known as the circadian clock. A tiny region that contains about 20,000 neurons (compared to the visual cortex that contains 5 billion), this “clock” is central to our lives. Like a conductor counting out measures, it orchestrates a symphony of precisely timed physiological processes, from circulating hormones to maintaining body temperature to synthesizing proteins to regulating sleep and the rhythms of our heartbeat. (Read on Nautilus)


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