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A new find of a " mealtime clock " in our brains propose that a short fast from eating could allow people to cope with jet lag and nightshift grogginess .
This solid food - related clock , which was found in mice , is similar to ourbody ’s primary coil timekeepercalled the circadian speech rhythm , so scientist recollect the finding could apply to humans .
Scandinavian Airlines provides coffee-espresso-cappuccino machines for passengers flying in the business-class cabins of its A330s and A340s. The airline also lays out sandwiches, chocolates and mints in each long-haul aircraft’s business-class pantry, so that passengers can help themselves to snacks between meals.
While the light - drive circadian rhythm is in charge most of the time , the researchers indicate in the May 23 issue of the journalSciencethat the mealtime clock learn over when food is scarce . By convert animals ' behavior pattern so they do n’t snooze through an chance to eat , this newly get a line clock may be all important to endurance .
And it could also guard offjet lagin humans .
Clifford Saper of Harvard ’s Beth Israel Deaconess Medical Center and his co-worker discovered the intellectual nourishment clock by melt down experiment in mouse that were missing a cardinal biologic clock gene . The squad restored the factor ’s function in one part of the brain at a time to see which cells responded to intellectual nourishment .
" We discovered that a single cycle of starving followed by refeeding turn on the clock , " Saper tell , " so that it in effect overrides the suprachiasmatic nucleus [ the circadian clock ] and hijack all of the circadian rhythms onto a fresh time zone that corresponds with food accessibility . "
In improver to keepinganimals ' belliesplenty full , the clock has implications for traveller and shift workers .
For example , if you travel from the United States to Japan , your body needs to adjust to a 13 - hr to 16 - hour time difference . " Because the body ’s biologic clock can only shift a small amount each mean solar day , it engage the average person about a calendar week to adjust to the new sentence zone , " Saper said . " And , by then , it ’s often time to work around and come home . "
By changing your exhaust schedules , a traveler might be able-bodied to rev up up this secondary clock and aline more quickly to the novel time zone .
" A period of fasting with no food at all for about 16 hours is enough to engage this unexampled clock , " Saper say . " So , in this case , simply avoiding any nutrient on the airplane , and then wipe out as presently as you put down , should help you to conform . "
The research was sustain by grants from the U.S. Public Health Service .
