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SUNDAY, NOVEMBER 22, 2009
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NEWS ABOUT: circadian rhythms

circadian rhythms stories: 4 news summaries

 Nighttime Snacks  
 Worse Than We Thought 

Mouse study shows weight gain more than doubles on opposite schedule

(Newser) - Eating when you should be sleeping—the proverbial midnight snack, say, or the meals of night-shift workers—could put you at higher risk of obesity, Time reports. A new study fed two groups of mice the same high-fat diet on opposite schedules; the group that ate during “normal”... More »

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obesity hormones eating scientific study circadian rhythms lab mice midnight snack chemical imbalance

Out-of-Whack Body Clocks Keep Teens Sleepy: Study

Later school start times improve sleep, decrease car accidents

(Newser) - Sleepy high-school students slumped over their desks just can’t help it, CNN reports. Most school start times play havoc with teens’ circadian rhythms: Teens naturally go to bed later than adults, and need more sleep. A new study finds pushing the high-school start time from 7:30am to 8:... More »

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sleep high school car accident circadian rhythms teenager students start time tired

Genetic Test
Reveals Your
Body Clock

Simple mouth swab
can separate the
larks from the owls

(Newser) - A simple mouth swab can tell scientists who's naturally meant to get up early and could forever free people who like a morning snooze from accusations of laziness, the Daily Telegraph reports. The newly developed test reveals the activity of the genes that regulate a person's body clock and identifies... More »

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sleep genetic testing sleep disorder circadian rhythms internal clock

From Night Owl to Early Bird?

Altering caffeine, light, can help mold sleep patterns

(Newser) - For those wide-eyed deep into the night, rising and shining with the early birds might seem like an elusive dream that comes to a jarring end each morning. But for this 5% to 30% of the population, understanding circadian rhythms can benefit their tired eyes more than chugging coffee. The... More »

4 Stories