Category Archives: Circadian Rhythms

Using light to produce natural sleep patterns

Getting enough of the right kind of sleep is crucial for keeping both body and mind healthy. Now a team of researchers at MIT has moved a step closer to being able to produce natural sleep patterns. In a paper … Continue reading

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How exercise is affected by the light-dark cycle

Physiol Behav. 2014 Dec 2. pii: S0031-9384(14)00602-7. doi: 10.1016/j.physbeh.2014.11.069. [Epub ahead of print] The time of day differently influences fatigue and locomotor activity: Is body temperature a key factor? Machado FS1, Rodovalho GV2, Coimbra CC3. Author information 1Department of Physiology … Continue reading

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Sleep Cycle, Cancer Incidence: a New Study

Newswise — People who work around the clock could actually be setting themselves back, according to Virginia Tech biologists. Researchers found that a protein responsible for regulating the body’s sleep cycle, or circadian rhythm, also protects the body from developing … Continue reading

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Working irregular shifts can age the brain by extra 6.5 years, study finds

Working shifts significantly damages people’s ability to think and remember, and doing so for at least a decade “ages” the brain by an extra six and a half years, new research has found. The findings are the latest to link … Continue reading

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Later sunsets increase children’s activity levels

Moving the clocks forward by one extra hour all year in the UK could lead to children getting more exercise every day, say researchers. Their study of 23,000 children found that daily activity levels were 15% to 20% higher on … Continue reading

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Why some workers might want to skip high-iron foods

(SALT LAKE CITY)—Workers punching in for the graveyard shift may be better off not eating high-iron foods at night so they don’t disrupt the circadian clock in their livers. Disrupted circadian clocks, researchers believe, are the reason that shift workers … Continue reading

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Breast cancer risk rises when biological clock disrupted

Athens, Ga. – The disruption of a person’s circadian rhythm—their 24-hour biological clock—has been linked to an increased risk of breast cancer, according to new University of Georgia research. The culprit, in this study in particular, is artificial light. “Exposure … Continue reading

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How hitting the snooze button messes up your day

You know you’ve been there: Your alarm starts blaring in the a.m., and with your brain consumed by a lethargy haze, you reflexively reach over and hit snooze, stealing yourself 10 more minutes of shuteye, then another 10 minutes, and … Continue reading

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Thanks to technology, our internal sleep clocks are out of sync

In this season of vacation travel, many of us are happily resigned to jet lag as the price of international adventure. The malaise associated with crossing time zones has been recognized for decades, of course. What’s new is our understanding … Continue reading

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What you eat may affect your body’s internal biological clock

Food not only nourishes the body but also affects its internal biological clock, which regulates the daily rhythm of many aspects of human behavior and biology. Researchers reporting in the Cell Press journal Cell Reports provide new insights into how … Continue reading

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Sleeping in a room with too much light linked to obesity

A team at the Institute of Cancer Research in London found women had larger waistlines if their bedroom was “light enough to see across” at night. However, they caution there is not enough evidence to advise people to buy thicker … Continue reading

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Disruption of circadian rhythms may contribute to inflammatory disease

A disruption of circadian rhythms, when combined with a high-fat, high-sugar diet, may contribute to inflammatory bowel disease and other harmful conditions, according to a recent study conducted by researchers at Rush University Medical Center. The study is online at … Continue reading

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Chemotherapy side effects linked to biological clock disruption

The circadian system, better known as our biological clock, is responsible for coordinating all the processes that take place in our organism. If it does not function correctly, what is known as a circadian disruption or chronodisruption, has for years … Continue reading

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