Metabolism in the brain fluctuates with circadian rhythm

Posted August 28th, 2012 by PCC STEM & filed under Health Sciences.

The rhythm of life is driven by the cycles of day and night, and most organisms carry in their cells a common, (roughly) 24-hour beat. In animals, this rhythm emerges from the suprachiasmatic nucleus in the hypothalamus. Take it out of the brain and keep it alive in a lab dish and this "brain clock" will keep on ticking for days. A new study reveals that the brain clock itself is driven, in part, by metabolism.

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