If the sinful excess of holiday eating sends your system into butter-slathered, brandy-soaked overload, you are not alone: People who are jet-lagged, people who work graveyard shifts and plain-old late-night snackers know just how you feel.
All these activities upset the body's "food clock," a collection of interacting genes and molecules known technically as the food-entrainable oscillator, which keeps the human body on a metabolic even keel. A new study by researchers at the University of California, San Francisco (UCSF) is helping to reveal how this clock works on a molecular level.
Published this month in the journal Proceedings of the National Academy of Sciences, the UCSF team has shown that a protein called PKC? is critical in resetting the food clock if our eating habits change.
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http://www.sciencedaily.com/releases/2012/12/121224113351.htm