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Recommend “Dr. Mercola” - The Sleeping Habit That Can Make You Hungrier, Plumper, and Forgetful (Email)

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Dr. Mercola

March 16 2011

http://articles.mercola.com/sites/articles/archive/2011/03/16/this-modern-day-convenience-can-disrupt-your-metabolism-and-interfere-with-learning.aspx

Experiments on mice have shown that throwing off their ancient circadian rhythms by artificially altering the length of their days has a substantial impact on their bodies and brains. This suggests that the modern, round-the-clock lifestyle, made possible by electric lighting, could disrupt metabolism and interfere with learning in ways that are only just beginning to be understood.

Researchers put mice through 10 weeks in 20-hour light-dark cycles, instead of their natural 24-hour circadian cycle. After six weeks, the mice got fatter, showed less mental flexibility and were more impulsive.

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