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Health: Time to wake up
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People who regularly experience jet lag, or who alternate working
day and night shifts, may face greater risks than they know.
Researchers at the University of Virginia came to this conclusion,
based on their experiments with mice whose waking and sleep hours
were repeatedly shifted either forward or back by six hours.
While younger mice were apparently unharmed, older mice were hit
hard by the time changes, especially when their "daylight" was being
shifted six hours earlier - comparable to the time shift that
travellers flying from the United States to Europe experience.
Among the ...
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